• Durable 2.1kg rubber wheel chocks (1.05kg each). • Prevents car, caravan or light aircraft moving when jacking or parked on an incline. • Not intended for use on sloped ground over 10°. • Supplied on sturdy 550mm rope for easy storage and removal from underneath wheels. • Dimensions (W x D x H): 200 x 94 x 65mm. • Model No. WC16