Ultra-Fab Super Grip 2-Set Steel Wheel Chock 21-001091 17-0294

Anchors opposing wheels of tandem axles eliminates front-to-back rocking motion. The superior handle design reduces slippage while mounting between tires & collapses to 1 inch & expands to 10.5 inch. It is made of heavy duty steel construction. It includes padlock & ratchet.