Home / Products / Heavy Duty / Cab Racks / Cab Rack Options / Chock Block Holder Chock Block Holder Storage compartment for chock blocks. Mounts on the bottom of a cab rack. Chock Block Holder quantity Where to buy? Add to list Related products Dyna Deck Modular Deck Cover Bolt Kit Dyna Deck Modular Deck Cover Between-the-Frame Storage Box Side Fairing Box