Dock wheel chocks are wedges of sturdy material placed against a vehicle's wheels to keep them in a fixed position and prevent unwanted accidental movements. Raptor Supplies offers these chocks from brands like Vestil, ZICO, Checkers and Elasco Products. They also restrain car speed on roads and help drivers to prevent slipping & stay in control in dangerous areas while saving personnel & properties. These speed bumps come with handles & warning flags (with selected models) for easy portability & to indicate maintenance requirements, respectively. Some models feature chains or thru-holes for easy attachment of chains to keep the chocks aligned and are available in a variety of materials such as recycled plastic or moulded rubber that are both abrasion and chemical resistant.