Checkers Industrial Safety Products are specifically designed for the mining and construction industry. They are strong, safe and lightweight - yet hold the largest haul trucks. Off-Road Urethane wheel chocks are made from tough, damage and weather resistant polyurethane and will not cause tyre damage if accidentally driven over. Additional safety features like being non-conductive and resistant to fuels, oils and solvents makes Checkers Wheel Chocks ideal for the petro-chemical industry. So whatever your fleet, be it light delivery vehicles, buses, freight or fuel trucks, 797's or 960's, Powerworks carries the entire range of Checkers Wheel Chocks.