Roadblocks 1700 series urethane wheel chocks are specifically designed for smaller vehicles like pick-ups, automobiles, trailers and small utility trucks. They 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, these urethane wheel chocks feature a high visibility orange color and "How to Use" guidelines molded into each chock. Weight: 2 lbs. Measures 8.5" length by 7.5" width by 6.25" height. Available in orange color.