Ergonomically designed handle integrated into the chock means that the user no longer has to bend over to place the chock under the vehicle. This wheel chock is ideal for light service vehicles/pickup trucks up to a Class 8 classification (up to a 46″-65″ (116-165 cm) tire diameter and gross vehicle weight of 150,000 lbs.) and meets the following OSHA and MSHA specifications: 1910.178(K) 1910.178(M) 30 CFR §56.14207.