ESCO 12593 Wheel Chock 60 Ton | Heavy-Duty Wheel Chocks for Trailers, Trucks & Construction Vehicles | Polyurethane Tire Stopper | Safety Yellow | OSHA/MSHA Compliant | 46"-65" Tire Size. The ESCO Pro Series Wheel Chock is designed to keep any large vehicle or trailer in place and prevent the tires from rolling.