... , rotating machinery movers, rotating casters machine skates, rotating trolley, rotating skates,Rotating Caster Equipment Dollies,and so on ... upgrade with CT crawler type roller skids. Can veered direction as demand. Roller with swivel locking pad top ... Rollers also know as roller skids, roller skates, moving rollers, roller dollies, rollers rigging systems, steel chain roller skids, steel chain moving ...