• Urethane wheel chocks are strong, safe, and lightweight• Impact absorbing chocks grip tire and road, will not cause tire or pavement damage, and are oil and chemical resistant• For added safety and convenience all Checkers urethane wheel chocks feature "How to Use" guidelines molded into each chock• Custom logo available• Popular design for "Over the Road" Trucks and Trailers • Recessed carrying handle• Mounting hole for ropes or chains• 11” X 7.75” X 8”• Orange