Products / Dock Equipment / Accesories / Protective Systems / Wheel Chocks & Chains Wheel Chocks & Chains Design Highlights 3/16" plated rust proof coil chain sold separately Available in various sizes and styles Optional "Truck Wheels Must Be Chocked" sign available Combine with APS &GO communication system for even greater safety at the dock Contact us Related products Section SaverOSHA recommends trailer wheels be chocked during loading … Track ProtectorsOSHA recommends trailer wheels be chocked during loading … Security GatesOSHA recommends trailer wheels be chocked during loading …