Specification: Item Type: Kayak Roller Material: Foam, Aluminum Product Size: Approx. Length: 77.5cm / 30.5in Height: 24cm / 9.4in Suction Cup Diameter: Approx. 11.8cm / 4.65in Weight: Approx.1030g / 36.3oz Package List: 1 x Kayak Stand Set (1 x Roller, 2 x Stands, 2 x Suction Cups, 1 x Hexagonal Wrench) Functional: Kayak Roller is used to mount kayaks and canoes on most vehicles, using car or glass top suction cups with 2 different mounting angles for reliable mounting. Sports & Outdoors/Outdoor Recreation/Water Sports/ [With Video]---KY-OE04-S Kayak Canoe Auxiliary Suction Cup Brac Quick Easy and Smart: The aluminium strips and strong suction cups are securely mounted on the roof or car glass. Provides a quick and easy solution for one person to carry the boat to the top of the car. Easy To Use: Install the rod by turning the lever on the suction cup, then attach the bow or stern of the boat to the rollers while keeping the other end on the ground. Move to the other end of the boat, lift and roll, and slide the boat onto your bar, foam block, or cradling. Turn the lever on the suction cup when done. ts/Boating/Boat Trailer Accessories/Guides Rollers Closed Cell Foam: Assist gently supports the hull during loading and unloading, prevents scratches, protects the hull during loading, cleans the rear glass with our soft towel for a good suction contact and ensures the boat rolls. /Boating/Boat Trailer Accessories/Guides Rollers cket Black Sizes: Boat Roller measures 77.5 cm (30.5 inches) long x 24 cm (9.4 inches) high. Allows you to use it on almost any vehicle, automatically fitting the angle of the glass to achieve the best suction effect. Functional: Kayak Roller is used to mount kayaks and canoes on most vehicles, using car or glass top suction cups with 2 different mounting angles for reliable mounting. Sports & Outdoors/Outdoor Recreation/Water Sports/ [With Video]---KY-OE04-S Kayak Canoe Auxiliary Suction Cup Brac Quick Easy and Smart: The aluminium strips and strong suction cups are securely mounted on the roof or car glass. Provides a quick and easy solution for one person to carry the boat to the top of the car. Easy To Use: Install the rod by turning the lever on the suction cup, then attach the bow or stern of the boat to the rollers while keeping the other end on the ground. Move to the other end of the boat, lift and roll, and slide the boat onto your bar, foam block, or cradling. Turn the lever on the suction cup when done. ts/Boating/Boat Trailer Accessories/Guides Rollers Closed Cell Foam: Assist gently supports the hull during loading and unloading, prevents scratches, protects the hull during loading, cleans the rear glass with our soft towel for a good suction contact and ensures the boat rolls. /Boating/Boat Trailer Accessories/Guides Rollers cket Black Sizes: Boat Roller measures 77.5 cm (30.5 inches) long x 24 cm (9.4 inches) high. Allows you to use it on almost any vehicle, automatically fitting the angle of the glass to achieve the best suction effect.