Brownell Manual Boat Lift System 5,000 lb Capacity. Complete system to safely lift a boat up to 5,000 lbs. Two stands (modified K4's) support the stern while the bow is lifted by a crossbeam connected to ACME threaded jacks. Includes two adjustable stern stands, two piece steel lifting beam, two adapters for flat or V hulls, two stands (modified KS1's) for lifting bow. Accommodates trailers up to 103" wide. Lifting range: 19"-37". Weight: 195 lbs.