"With this ShoreDocker Boat Ramp Kit, there is no dock required. Just add your own pressure-treated lumber for an affordable alternative to expensive cantilever or vertical lifts. Includes Rollers, brackets, winch, cable, Common Usage Boat ramp, Size 16-20, Color Gray rollers, Capacity lbs. 1,200. Easy to customize to your needs and works in shallow water Accommodates smaller boats, sailboats and personal watercraft up to 1200 lbs. Includes 12 rollers, 1100-lb. winch and 33-ft. galvanized cable with hook and hardware Lumber not included"