Feature:1. PREMIUM MATERIAL: Kayak rollers are made of high quality aluminum alloy and surface protection cotton, which is strong and durable.2. SUCTION CUP DESIGN: The suction cup of the kayak roller loader can be fixed on the car, which is common to all cars.3. EASY TO INSTALL: The kayak roller mount is easy to use and easy to assemble to keep your boat from scratches.4. COMES WITH ACCESSORIES: The kayak roller loader comes with an inner hex wrench for easy and simple installation.5. SCOPE OF APPLICATION: Kayak load assist roller makes loading your kayak to the roof fast, easy and hassle free.Specification:Item Type: Kayak RollerMaterial: Aluminum Alloy, Foam Sheath.Package List:2 x Aluminum Tubes1 x Protective Cotton Tube1 x Inner Hex Wrench2 x Suction Cups