This Dock Edge Watercraft Ramp Kit is specifically designed for boats and personal watercraft weighing up to 2500 pounds, taking into account the weight of the watercraft, motor, fuel, and any gear onboard. It features aluminum hardware, polyurethane rollers, and a heavy-duty pulling winch.2500-lb. Kit Includes:• Two-Speed Heavy-Duty Pulling Winch• 25' Safety Strap• 16 High-Density 5" Wobble Rollers• Marine-Grade Aluminum Support Brackets• Attaching Hardware and Detailed InstructionsNOTE: Lumber NOT included Marine-grade aluminum support brackets attaching hardware 25' safety strap Two-speed heavy-duty pulling winch | Dock Edge 2500-lb. Watercraft Ramp Wheel Kit