Rage Powersports Pair of Hard Plastic Light Truck or Trailer Wheel Chock Blocks Package includes (2) automotive wheel chocks Each wheel chock measures 8"L x 5.5"W x 4.56"H Ideal for use with cars, utility trailers, boat trailers, snow blowers, and more Made with durable hard plastic construction Contoured traction surface with an underside serrated grip edge