The 68-9 Molded Pyramid Wheel Chock is made of 80 Durometer rubber.Features: • Economical construction • Handles for chain fasteningMaterial: 80 Durometer RubberSize: 8” wide x 9” long x 6” highWeight: 9lbsWheel Chocks prevent accidents from trailer creep and premature departures. OSHA regulation 1910.178 (k)(1) 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. Please contact us for safety guidance and questions.For the best protection, use (2) wheel chocks per loading dock position
