WHEEL CHOCKS RATED FOR: Haul trucks with tire sizes over 105 in. (2667 mm) diameter and load capacities up to 400 tons (a minimum of four (4) model 1911 Monster Wheel Chocks must be used when chocking haul trucks with load capacities from 240 tons up to 400 tons).
Tough urethane construction.
Resistant to damage from oils, fuels, and solvents.
Safety yellow caution color.
Recessed carrying handle on back of chock.
Replaceable rubber anti-slip traction pads.
Mounting hole for ropes, chains or brackets.
"How to Use" guidelines molded into each wheel chock.