All-Terrain Heavy Duty Wheel Chocks - 38" Max Tire Diameter - 40 Tons Capacity - Flat Bottom Features_Electric Hazard Arc Rated ATPV 10 cal/cm2

Arc Rated ATPV 10 cal/cm2

They have a brass zipper and button front closure

Reinforced thumb crotch for added protection and durability

two front chest pockets with brass zipper closure

All-Terrain Heavy Duty Wheel Chocks - 38" Max Tire Diameter - 40 Tons Capacity - Flat Bottom Features_Electric Hazard Arc Rated ATPV 10 cal/cm2Made in USA Sold as Single For 28 38 Inch Tires Lightweight with tough urethane construction Rated for vehicles with a gross operating weight up to 80,000 lbs. 3rd party tested for compliance ANSI compliant color written guidelines on proper chocking procedures Complies with SAE J348, NFPA 1901, and NFPA 1906 Standards Resistant to oils, fuels and solvents Recessed carrying handle on the backside of the chock Safety color visibility Replaceable