Global Industrial Aluminum Wheel & Tire Chock 10-3/4"L x 7"W x 8"H

Sure grip aluminum wheel & tire chock chock trailers, off-highway construction equipment, buses, aircraft and other heavily loaded vehicles...help protect against runaway vehicle accidents. built-in traction grippers create maximum friction between the tire and the parking surface. meets osha requirement 1910.178(k)(1) that states "the brakes of highway trucks shall be set and wheel chocks placed under the rear wheels to prevent the trucks from rolling while they are boarded with powered industrial trucks".