The Nautic Kayak Lifter is a complete system for easily loading and unloading your kayaks on top your vehicle. With an 80kg load capacity, it does not require any heavy lifting and a single person can operate it using the Includesded winch.The unit is designed to be neatly stored on the roof of your vehicle beside your kayak when not in operation.Important Note: Designed to fit Rhino-Rack Vortex and Thule Aero systems with bar overhang with at least 100mm excluding pad and clamp setups.