1200 lb. capacity aluminum boat ramp. This versatile, adjustable model fits small watercraft up to 1200 lbs. — from sailboats to Jon boats to small V-hull and flat-hull fishing boats. Length is 18 feet. Rail width adjusts from 24" to 40". Includes 16 polyurethane donut style rollers, which mount anywhere along the rails. Also available are complete 9 foot add-on sections. The standard 1700-lb. winch with 25' strap is upgradeable to a 1500 or 2500-lb. self-braking winch with 25' or 50' cables. The easy-to-assemble kit is complete with ground anchoring system. From Roll-n-Go Shore Docking Systems.