Rail runners are rollers used for rolling lengths of rail during construction and/or maintenance.
Other Rail Categories available from Specialised Force:
Rail Car StopRail ClampRail Cutoff DiscRail FlagRail GaugeRail GrinderRail SkidRail SplintRail TensorRail ThreaderRail TrolleyRail TuggerRail Weld ShearBender - RailDerailers - RailDrill - RailJack - Rail CarPuller - RailRerailers - RailSaw - Rail
Alternate terminology: Rail Rollers, Rail Running Rollers.