Material Handling products:Steel/Rubber/Polyurethane wheel chock,dock bumper, Barries&Guards,Trailer Jack,Drum handling products Material Handling Equipment Wheel chocks (Steel Wheel Chock, Rubber Wheel Chock, Polyurethane Wheel Chock)are used for wedging and blocking tires to restrict movement of the wheel while vehicle is being loaded or unloaded at the dock. All chocks meet OSHA Specification ...