The RAP-B-404-GOP1U consists of the medium Tough-Claw™ base, double socket arm and and 1" diameter ball with custom GoPro® Hero adapter. The RAM Tough-Claw™ is the perfect mounting base for quick and easy tool-less installation and removal on round, square, odd shaped rails and bars. The Tough-Claw™ can be clamped on rails from 1" - 1.6" outer diameter. The mount is designed with a RAM 1" diameter patented rubber ball and socket system that has adjustment points at both ends of the double socket arm this allowing for almost infinite adjustment and perfect viewing angles. The GoPro® Hero adapter attaches directly to the underside of the camera, replacing the factory mounting bracket.