Features 1、The boat roller gives a higher clearance design, if you have a vehicle with a shark fin/spoiler/air deflector roof antenna, so it will maximum protection the antenna doesn/u0027t damage by the hull during loading. 2、This roller provide reliable support for loading your boat onto your trailer and making loading and unloading your boat easier and more efficient. 3、Designed to fit most vehicles, this roller is versatile and easy to install. 4、The boat roller with soft foam is thick enough to keep your kayak protected from scratches and dents. 5、With the designed closer suction cups, allowing you to attach it to the rear windshield further to the edges of the windshield to get the best grip on both of the flat or curved car rear windows. Our rubber boat trailer rollers are made of aluminum and wrapped in high-quality foam sheathing, which can well protect the rubber boat and car surfaces and avoid scratches and bumps during loading and unloading. Features: The boat roller gives a higher clearance design, if you have a vehicle with a shark fin/spoiler/air deflector roof antenna, so it will maximum protection the antenna doesn't damage by the hull during loading. This roller provide reliable support for loading your boat onto your trailer and making loading and unloading your boat easier and more efficient. Designed to fit most vehicles, this roller is versatile and easy to install. The boat roller with soft foam is thick enough to keep your kayak protected from scratches and dents. With the designed closer suction cups, allowing you to attach it to the rear windshield further to the edges of the windshield to get the best grip on both of the flat or curved car rear windows. Specifications: Material: Aluminum Size: 77.5*24cm/ 30.5*9.4in Weight: 1.2kg/ 2.6lbs Package List: 1 * Kayak Roller Package List 1 * Kayak Roller