General description Sealey Heavy-Duty Rubber Wheel Chocks are designed to prevent vehicle movement when jacking or parking on an incline. These robust chocks are suitable for heavy commercial vehicles and light aircraft, ensuring safety and stability during maintenance or parking. Technical specifications Weight: 14.56kg (7.28kg each) Dimensions (W x D x H): 455 x 155 x 140mm Model No.: WC11 Material: Rubber Maximum vehicle weight: Suitable for vehicles below 30 Tonne Compatibility and accessories Suitable for heavy commercial vehicles and light aircraft Chocks supplied on rope for easy storage and removal from underneath wheels Installation Not intended for use on sloped ground over 12º Usage Prevents vehicle movement when being jacked on a level surface or parked on an incline not exceeding 12º Other information