Products

Hearthill

Hearthill is an Australian company with a long history in the manufacturing of cable laying equipment. They design and manufacture quality equipment and accessories for the infrastructure and construction sector. Hearthill has a range of tools and products for categories regarding laying of cables in conduit and trenches, stringing of cables onto towers or poles, laying of submarine cables, laying of plastic ducts during horizontal boring operations, cleaning and proofing of conduits, rodding and fishing of conduits, drum handling equipment, blowing of draw lines into ducts and pipes, placement of cables into mine shafts and tunnels, specialised items such as nylon centering pads for oil pipes and many miscellaneous tools and items.

Featured 'Hearthill' Products

Hearthill RTR/RTRA Series Raised Trench Roller

Hearthill RTR/RTRA Series Raised Trench RollerThis trench roller guide is designed for instances where an existing cable or conduit is in pl...

Hearthill NTR/NTRA Series Flat Trench Roller

Hearthill NTR/NTRA Series Flat Trench RollerA durable trench roller guide that can also be turned on its side for corner pulls. The roller i...

  • Max. Cable Size: 150mm or 195mm OD...
  • High Quality Australian-made Rollers...

Hearthill FGR/FGRA Series Flat Ground Roller

Hearthill FGR/FGRA Series Flat Ground RollerSmall and cost effective unit to use in flat conditions. The frame features three holes either s...

  • Max. Cable Size: 150mm or 195mm OD...
  • High Quality Australian-made Rollers...

Hearthill Trench Manhole Rollers and Guides

Hearthill Trench Manhole Rollers and GuidesAustralian-made, high quality trench manhole roller guides for underground cable pulling operatio...

Hearthill TCR Series Trench Corner Roller Guides

Hearthill TCR Series Trench Corner Roller GuidesHearthill’s TCR series are manufactured with mild steel components to ensure a long lasting ...

Hearthill TRGM-100 Manhole Single Roller Guide

Hearthill TRGM-100 Manhole Single Roller Guide These manhole roller guides can sit either on top of the manhole edge manhole for corner pul...

  • Max. Cable Size: 150mm OD...
  • Roller Type: Aluminium...

Hearthill TRGM-100-2 Manhole Twin Roller Guide

Hearthill TRGM-100-2 Manhole Twin Roller Guide These manhole roller guides can sit either on top of the manhole edge manhole for corner pul...

  • Max. Cable Size: 150mm OD...
  • Roller Type: Aluminium...

Hearthill TRGM-100-3 Manhole Triple Roller Guide

Hearthill TRGM-100-3 Manhole Triple Roller Guide These manhole roller guides can sit either on top of the manhole edge manhole for corner p...

  • Max. Cable Size: 150mm OD...
  • Roller Type: Aluminium...

Hearthill TRGM-700 Long Feeding Trench Roller Guide

Hearthill TRGM-700 Long Feeding Trench Roller Guide The TRGM-700 is a trench manhole roller guide with a 700mm aluminium roller. Complete...

  • Framework: Aluminium...
  • No. of Rollers: 1...

Hearthill TRGM-1000 Long Feeding Trench Roller Guide

Hearthill TRGM-1000 Long Feeding Trench Roller Guide The TRGM-1000 doubles as a cable run off roller from drum stands and trailers. This u...

  • Standard Unit - Chrome Zinc Plated F...
  • No. of Rollers: 1...

Hearthill TRGM-1000-2R Long Feeding Trench Roller Guide

Hearthill TRGM-1000-2R Long Feeding Trench Roller Guide The TRGM-1000-2R is designed with 2 x 45° rollers which are 640mm long. This roll...

  • Chrome Zinc Plated Finish...
  • No. of Rollers: 2...

Hearthill TRGM-140-3A45 Curved Trench Roller Guide

Hearthill TRGM-140-3A45 Curved Trench Roller Guide Solid construction trench roller guides for manholes with provisions to peg the units do...

  • Max. Cable Size: 150mm OD...
  • 45 Degree Curve...

Hearthill TRGM-140-4A90 Corner Trench Roller Guide

Hearthill TRGM-140-4A90 Corner Trench Roller Guide Solid construction trench roller guides for manholes with provisions to peg the units do...

  • Max. Cable Size: 150mm OD...
  • 90 Degree Corner (Adjustable Rollers...

Hearthill TRGM-140-900R Curved Trench Roller Guide

Hearthill TRGM-140-900R Curved Trench Roller Guide Solid construction trench roller guides for manholes with provisions to peg the units do...

  • Max. Cable Size: 150mm OD...
  • 45 Degree Curve - Large...

Hearthill CS Series Standard Conduit Slipper Guide

Hearthill CS Series Standard Conduit Slipper Guide Cable slippers protect cables from sharp corners of conduit during laying. They are ro...

  • Zinc plated finish...

Hearthill CLS Series Lockable Conduit Slipper Guide

Hearthill CLS Series Lockable Conduit Slipper Guide Cable slippers protect cables from sharp corners of conduit during laying. They are r...

  • Lockable Conduit Slipper Guide...

Hearthill PMCG-080, PMCG-100, PMCG-125 & PMCG-150 Pivoting Manhole Guides

Hearthill PMCG Series Pivoting Manhole GuidesPivoting manhole cable guide which uses a slipper or roller to allow easy passage of cable layi...

  • Pivoting Slipper Guide...

Hearthill PMRG-080 & PMRG-140 Pivoting Manhole Guides

Hearthill PMRG Series Pivoting Manhole GuidesPivoting manhole cable guide which uses a slipper or roller to allow easy passage of cable layi...

  • Max. Cable Size: 105mm or 150mm OD...
  • Pivoting Roller Guide...

Hearthill FS Series Lockable Feeding Sheaves

Hearthill FS Series Lockable Feeding Sheaves Lockable feeding sheave with roller (115/140mmOD) to aid the entrance and exiting of cables th...

Hearthill IFS Series In-Line Bell Mouth Feeding Sheave

Hearthill IFS Series In-Line Bell Mouth Feeding Sheave Placed inside conduit with "bell mouth" to aid with laying cables, also has spreader...

  • Spreader Bolt to Lock Tight into Con...

Hearthill FS***-4A90 Lockable Feeding Sheave with 4 Rollers in 90° Radius

Hearthill FS***-4A90 Lockable Feeding Sheave with 4 Rollers in 90° Radius Lockable angled guiding rollers for inside manholes are set at 90...

  • Zinc plated finish on all with locka...

Hearthill Conduit Cleaning & Proving Accessories

Hearthill Conduit Cleaning & Proving AccessoriesSuit Electrical & Communication conduit.Includes Duct Proving Mandrels, Rubber Clean...

Hearthill CRC Series Conduit Rubber Cleaner

Hearthill CRC Series Conduit Rubber Cleaner The Conduit rubber cleaner (or Squeegee) is manufactured with four rubber squeegees and a pulli...

  • Zinc plated finish on metal componen...

Hearthill RS-050E, RS-050T, RS-06E, RS-063T, RS-080, RS-100, RS-125, RS-150 & RS-200 Rubber Slug

Hearthill RS Series Rubber SlugThe Rubber slug is use to spread cable lubricant or gel through a conduit. Zinc plated finish.Please download...

  • Supplied in sizes to suit conduits f...

Hearthill WBC-050, WBC-063, WBC-080, WBC-100, WBC-125, WBC-150 & WBC-200 Wire Cleaning Brush

Hearthill WBC Series Wire Cleaning BrushThese wire brush cleaners are made with 22g wire strands and are complete with welded eyes at each e...

  • For internal cleaning of ducts and c...

Hearthill DPM Series Conduit Proving Mandrels

Hearthill DPM Series Conduit Proving Mandrels Proving mandrels are used to test the circular integrity of a conduit after back filling. M...

  • Made from high density polyethylene ...

Hearthill Fibre Optic Roller Model No: AFG90-1

Hearthill Fibre Optic Roller Model No: AFG90-1Rollers and mounting brackets for fibre optic cable stringing.SpecificationsModel No.Descripti...

Hearthill Fibre Optic Roller Model No: AFG90-2

Hearthill Fibre Optic Rollers Model No: AFG90-2Rollers and mounting brackets for fibre optic cable stringing.SpecificationsModel No.Descript...

Hearthill Fibre Optic Roller Model No: AFG90-80

Hearthill Fibre Optic Rollers Model No: AFG90-80Rollers and mounting brackets for fibre optic cable stringing.SpecificationsModel No.Descrip...

Hearthill Fibre Optic Roller Model No: APBV-30

Hearthill Fibre Optic Rollers Model No: APBV-30Rollers and mounting brackets for fibre optic cable stringing.SpecificationsModel No.Descript...

Hearthill Fibre Optic Roller Model No: AVH-50

Hearthill Fibre Optic Rollers Model No: AVH-50Rollers and mounting brackets for fibre optic cable stringing.SpecificationsModel No.Descripti...

Hearthill Cable Tray Rollers

Hearthill Cable Tray RollersAustralian-made, high quality cable tray rollers for underground cable pulling operations. All Rollers have Roll...

Hearthill CTR-140 Cable Tray Roller Guide

Hearthill CTR-140 Cable Tray Roller Guide Cable tray rollers that will suit both cable trays and cable ladders with rungs up to 600mm apart...

  • Roller Type: Nylon...
  • Roller Size: Max Cable 150mm OD, 2 x...

Hearthill CTR-165X Cable Tray Roller

Hearthill CTR-165X Cable Tray Roller Cable Tray Roller with 165mm² window for cable placement. Chrome zinc plated finish Click on the link...

  • 165mm² window for cable placement...

Hearthill CTR-360 Cable Tray Roller

Hearthill CTR-360 Cable Tray Roller This cable tray and cable ladder roller will suit cable ladders with rungs approximately 360mm apart. ...

  • Roller Type: Plated...
  • Roller Size: 42 x 100mm...

Hearthill CTR-50 Cable Tray Roller

Hearthill CTR-50 Cable Tray Roller This cable roller guide can be secured to many differing types and makes of cable ladders and cable tray...

  • Roller Type: Plated...
  • Roller Size: Cable up to 60mm OD...

Hearthill CTR-60C-5R Cable Tray Roller

Hearthill CTR-60C-5R Cable Tray Roller This roller unit will suit both cable tray and cable ladder types. It is assembled with a total of...

  • Roller Type: Plated...
  • Roller Size: 5 Tube Rollers 80mm Cro...

Hearthill CTR500-15R Cable Tray Roller

Hearthill CTR500-15R Cable Tray Roller This unit will dramatically reduce the drag and friction when pulling cables around a corner. Asse...

  • 90 Degree Angle with Vertical & Hori...

Hearthill CTRA-140 Cable Tray Roller Guide

Hearthill CTRA-140 Cable Tray Roller Guide Cable tray rollers that will suit both cable trays and cable ladders with rungs up to 600mm apar...

  • Roller Type: Aluminium...
  • Roller Size: Max Cable 150mm OD, 2 x...

Hearthill ABC Roller Guide & Fixing Clamp

Hearthill ABC Roller Guide & Fixing Clamp Suitable for 4x95mm2 and 4x150mm2 ABC (Aerial Bundled Cable). Assembly is in two parts (Rol...

  • Suitable for 4 x 95mm2 and 4 x150mm2...

Hearthill FS-080-4R, FS-100-4R, FS-125-4R & FS-150-4R Lockable Multiple Roller Guides

Hearthill FS-***-4R Series Lockable Multiple Roller GuidesThe quad roller is a multi-directional roller guide. This sheave has the added ben...

  • Added benefit of a hinged top roller...

Hearthill Hanging Rollers Model Number: ACB145-60

Hearthill Hanging Rollers Model Number: ACB145-60SpecificationsModel No.DescriptionACB145-60ABC Roller with Side Pin Gate & Safety Hook,...

  • Hanging rollers for overhead cable s...

Hearthill Hanging Rollers Model Number: ABC175-60

Hearthill Hanging Rollers Model Number: ABC175-60SpecificationsModel No.DescriptionABC175-60ABC Roller, swing apart, plastic sheave 170mmPle...

  • Hanging rollers for overhead cable s...

Hearthill Hanging Rollers Model Number: ABC66-28

Hearthill Hanging Rollers Model Number: ABC66-28SpecificationsModel No.DescriptionABC66-28ABC Roller, swing apart, plastic sheave 66mmPlease...

  • Hanging rollers for overhead cable s...

Hearthill Hanging Rollers Model Number: APB-1100

Hearthill Hanging Rollers Model Number: APB-1100SpecificationsModel No.DescriptionAPB-1100Roller, Plastic Nylon Sheave 600kg WLL, Suits up t...

  • Hanging rollers for overhead cable s...

Hearthill Hanging Rollers Model Number: ASCB-080

Hearthill Hanging Rollers Model Number: ASCB-080SpecificationsModel No.DescriptionASCB-080ABC Roller, swing apart, plastic sheave 170mmPleas...

  • Hanging rollers for overhead cable s...

Hearthill Hanging Rollers Model Number: CSR-010

Hearthill Hanging Rollers Model Number: CSR-010SpecificationsModel No.DescriptionCSR-010Catenary Stringing Roller, Plastic SheavePlease down...

  • Hanging rollers for overhead cable s...

Hearthill Hanging Rollers Model Number: PER-01

Hearthill Hanging Rollers Model Number: PER-01SpecificationsModel No.DescriptionPER-01Parallel Earth Roller with Plastic SheavePlease downlo...

  • Hanging rollers for overhead cable s...

Hearthill Hanging Rollers Model Number: SCR-01

Hearthill Hanging Rollers Model Number: SCR-01SpecificationsModel No.DescriptionSCR-01Single Stringing Contact Roller, Metal SheavePlease do...

  • Hanging rollers for overhead cable s...

Hearthill Hanging Rollers Model Number: SCR-02

Hearthill Hanging Rollers Model Number: SCR-02SpecificationsModel No.DescriptionSCR-02Double Stringing Contact Roller, Metal SheavePlease do...

  • Hanging rollers for overhead cable s...

Hearthill Hanging Rollers Model Number: TRCG-140

Hearthill Hanging Rollers Model Number: TRCG-140SpecificationsModel No.DescriptionTRCG-140Triple Aluminium Roller, Lightweight Al Sheaves an...

  • Hanging rollers for overhead cable s...

Hearthill ICB-040B Insulator Cable Bracket

Hearthill ICB-040B Insulator Cable Bracket (Made in Australia)Insulator cable bracket to suit vertical post insulator with top clamp. The un...

  • Unit folds together on a hinge and h...

Hearthill ICB-080 Insulator Cable Bracket

Hearthill ICB-080 Insulator Cable Bracket (Made in Australia) Insulator cable bracket to suit vertical post insulator with top clamp. The...

  • Unit folds together on a hinge and h...

Hearthill Overhead Crossarm Rollers Model No CARR-080

Hearthill Overhead Crossarm Rollers Model No CARR-080SpecificationsModel No.DescriptionWeight (kg)CARR-080Inline Roller suits any crossarm m...

  • Rollers and roller supports to suit ...

Hearthill Overhead Crossarm Rollers Model No CARR-140

Hearthill Overhead Crossarm Rollers Model No CARR-140SpecificationsModel No.DescriptionWeight (kg)CARR-140Inline Roller suits any crossarm m...

  • Rollers and roller supports to suit ...

Hearthill Overhead Crossarm Rollers Model No FCARR-100

Hearthill Overhead Crossarm Rollers Model No FCARR-100SpecificationsModel No.DescriptionWeight (kg)FCARR-100Roller suits any crossarm materi...

  • Rollers and roller supports to suit ...

Hearthill Overhead Crossarm Rollers Model No FCARR4-100

Hearthill Overhead Crossarm Rollers Model No FCARR4-100SpecificationsModel No.DescriptionWeight (kg)FCARR4-100Roller suits any crossarm mate...

  • Rollers and roller supports to suit ...

Hearthill Overhead Crossarm Rollers Model No WCAR-100

Hearthill Overhead Crossarm Rollers Model No WCAR-100SpecificationsModel No.DescriptionWeight (kg)WCAR-100Roller suits wood crossarms up to ...

  • Rollers and roller supports to suit ...

Hearthill Overhead Crossarm Rollers Model No WCAR-150

Hearthill Overhead Crossarm Rollers Model No WCAR-150SpecificationsModel No.DescriptionWeight (kg)WCAR-150Roller for wood crossarms up to 15...

  • Rollers and roller supports to suit ...

Hearthill Overhead Crossarm Rollers Model No WCAR4-100

Hearthill Overhead Crossarm Rollers Model No WCAR4-100SpecificationsModel No.DescriptionWeight (kg)WCAR4-100Roller suits wood crossarms up t...

  • Rollers and roller supports to suit ...

Hearthill Overhead Crossarm Rollers Model No WCAR4-150

Hearthill Overhead Crossarm Rollers Model No WCAR4-150SpecificationsModel No.DescriptionWeight (kg)WCAR4-150Roller suits wood crossarms up t...

  • Rollers and roller supports to suit ...

Hearthill Overhead Crossarm Rollers Model No WCCR-100

Hearthill Overhead Crossarm Rollers Model No WCCR-100SpecificationsModel No.DescriptionWeight (kg)WCCR-100External Corner Roller suits wood ...

  • Rollers and roller supports to suit ...

Hearthill Overhead Crossarm Rollers Model No WCCR-150

Hearthill Overhead Crossarm Rollers Model No WCCR-150SpecificationsModel No.DescriptionWeight (kg)WCCR-150External Corner Roller suits wood ...

  • Rollers and roller supports to suit ...

Hearthill Overhead Crossarm Rollers Model No WCASR-100

Hearthill Overhead Crossarm Rollers Model No WCASR-100SpecificationsModel No.DescriptionWeight (kg)WCASR-100Inline Roller suits wood crossar...

  • Rollers and roller supports to suit ...

Hearthill Overhead Crossarm Rollers Model No WCASR-150

Hearthill Overhead Crossarm Rollers Model No WCASR-150SpecificationsModel No.DescriptionWeight (kg)WCASR-150Inline Roller suits wood crossar...

  • Rollers and roller supports to suit ...

Hearthill Overhead Crossarm Rollers Model No CASB-800

Hearthill Overhead Crossarm Rollers Model No CASB-800SpecificationsModel No.DescriptionWeight (kg)CASB-800Roller Support Bracket suits cross...

  • Rollers and roller supports to suit ...

Hearthill DJS-58T 8T Hydraulic Drum Jack Stand

Hearthill DJS-58T 8T Hydraulic Drum Jack StandDurable and sturdy and ready for tough jobsManoeuvrable and transportableRated plates marked w...

  • Made in Australia...

Hearthill SLS0.5T Scissor Lift Cable Drum Jack Stand

Hearthill SLS0.5T Scissor Lift Cable Drum Jack (Made in Australia)Scissor lift drum stand to suit cable drums up to 1.2m diameter and a usab...

  • OHS Compliant 19kg Per Side...
  • Stackable...

Hearthill SLS1-2T Scissor Lift Cable Drum Jack Stand

Hearthill SLS1-2T Scissor Lift Cable Drum Jacks (Made in Australia)The Scissor lift drum stands are well suited for uneven ground as the ind...

  • Manoeuvrable and Transportable...
  • Designed for Rugged Use...

Hearthill SLS3-4T Scissor Lift Cable Drum Jack Stand

Hearthill SLS3-4T Scissor Lift Cable Drum Jacks (Made in Australia)The Scissor lift drum stands are well suited for uneven ground as the ind...

  • Manoeuvrable and Transportable...
  • Designed for Rugged Use...

Hearthill TDS-1200 Telescopic Portable Drum Stand

Hearthill TDS-1200 Telescopic Portable Drum StandLightweight, transportable, telescopic, portable drum stand.Disassemble for storage and tra...

  • Includes Axle, Cones and Two Retaini...
  • Made in Australia...

Hearthill SCDS-800 Service Cable Drum Stand

Hearthill SCDS-800 Service Cable Drum StandDrum stand for service cable reels.2 cones and 2 collars included.Extendable length to accommodat...

  • Made in Australia...

Hearthill SDTH Cable Drum Trailers

Hearthill SDTH Cable Drum TrailersAustralian made galvanised frame cable drum trailers with mechanical brakes supplied as standard.Trailers ...

  • Made in Australia...

Hearthill DRR-1000 Drum Ramps

Hearthill DRR-1000 Drum RampsLightweight and transportable drum ramps which fold flat for storage and transport.Suits a wide range of Cable ...

Hearthill DSF Series A-Frame Cable Drum Stands

Hearthill DSF Series A-Frame Cable Drum StandsPowder coated frame, built for rugged conditions.Can be fitted to trailer or truckSupplied wit...

  • Made in Australia...

Hearthill CDC-150 Cable Drum Caddy

Hearthill CDC-150 Cable Drum CaddyLightweight and transportable cable drum caddy.Lifting of cable drums aided with a combination of rolled a...

  • Made in Australia...

Hearthill CDT-500 Cable Drum Trolley

Hearthill CDT-500 Cable Drum TrolleyLightweight and transportable cable drum trolley which folds flat for storage and transport.Four mountin...

Hearthill CRC-600 Rope Caddy

Hearthill CRC-600 Rope CaddyLightweight and transportable rope caddy.Suitable for Workshop & Worksite applications.Axle 90mm OD.Please d...

  • Made in Australia...

Hearthill RS-2419 Rope Stand

Hearthill RS-2419 Rope StandAxle 50mm OD.Please download catalogue page for details on the Hearthill RS-2419 Rope Stand....

  • Made in Australia...

Hearthill CRS-290 Cable Reel Stand

Hearthill CRS-290 Cable Reel StandLightweight and transportable cable reel stand.Folds flat for storage and transportUseable axle length 800...

  • Made in Australia...

Hearthill DL-150 Cable Drum Lever

Hearthill DL-150 Cable Drum LeverLightweight and transportable cable drum lever.Working Load Limit of 150kgCable Drum Frame utilises a lever...

  • Made in Australia...

Hearthill Fibreglass Rodders

Hearthill Fibreglass RoddersContinuous coils of fibreglass rod, ideal for long-distance rodding of ducts or conduits.The rod includes a 1mm ...

Hearthill Fibreglass Rodder Accessories

Hearthill Fibreglass Rodder AccessoriesAvailable for 5mm, 7mm, 9mm & 11mm rods.SpecificationsModel No.DescriptionFEE-05 & FEE-7-11Fe...

  • Fibreglass rodder accessories...

Hearthill Polycarbonate Hand Rods

Hearthill Polycarbonate Hand RodsPolycarbonate hand rods available in 22mm Diameter x 3m Lengths.Range of accessories available.Model No.Des...

Hearthill CSO Series Conduit Seal Offs, PRG-300 Roping Gun & PRK-400 Conduit Roping Gun Kit

Hearthill CSO Series Conduit Seal Offs, PRG-300 Roping Gun & PRK-400 Conduit Roping Gun KitThe air roping system is used when long dista...

Hearthill EBK2-130K Electric Blower Kit

Hearthill EBK2-130K Electric Blower Kit This high volume, low pressure blowing system is used to blow a balloon type bag attached to a draw...

  • Dual Stage Motors...
  • 1300W (3.5 cubic metres of air per m...

Hearthill OCSO-050 Occupied Conduit Rope Blowing Gun

Hearthill OCSO-050 Occupied Conduit Rope Blowing GunUsed for blowing parramatta rope/Telstra rope or blowing twine/jet twine through 50mm OD...

Hearthill OCSO-100 Occupied Conduit Rope Blowing Gun

Hearthill OCSO-100 Occupied Conduit Rope Blowing GunUsed for blowing parramatta rope/Telstra rope or blowing twine/jet twine through 100mm O...

Hearthill BLC-050, BLC-063, BLC-080, BLC-100, BLC-125, BLC-150 & BLC-200 Balloon Line Carriers

Hearthill BLC Series Balloon Line CarriersFor use with EBK2-130K Electric Blower Kit. Range of sizes available.SpecificationsModel No.For Co...

  • Range of Sizes Available....

Hearthill Cable Pulling Eyes

Hearthill Cable Pulling EyesMany sizes and types available.Suitable for:Cu & Al (Telecomm/Utility)Stranded Cu/Al Wires in all SizesSingl...

Hearthill MPPP-700 Pole Platform

Hearthill MPPP-700 Pole Platform This unit comes in two parts, one to secure onto the power pole as stage one and the standing unit to comp...

  • 150kg Working Load Limit...
  • Suits all Types of Power Poles up to...

Hearthill WPP-1200 Pole Platform

Hearthill WPP-1200 Pole PlatformThis unit is tested and certified to a working load limit of 150kg.A high tensile chain is supplied to suit ...

  • 150kg Working Load Limit...
  • Suits Power Poles up to 750mm in dia...

Hearthill WPP-860 Pole Platform

Hearthill WPP-860 Pole PlatformThis unit is rated to a working load limit of 150kg. The standing platform measures 350 x 650mm, 3mm rubber i...

  • 150kg Working Load Limit...
  • Suits Power Poles up to 400m in Diam...