Made from high grade aluminum alloy. Universal - fits most standard ball mounts. Slip resistant step surface. Provides step access to rear of vehicle with or without trailer attached. Durable, functional, stylish the perfect addition to any truck. Bolt-together 2-piece design ensures easy installation. Bottom plate installs on the ball mount under the hitch ball. Top piece bolts over the bottom and provides a nonslip ribbed stepping surface. Overall: 14"W x 3" D. Includes hardware and instructions. Ball mount not included.