Roll bar tube clamp for mounting your quick-release GoPro camera on to tubes & frames ranging from 1.4 to 2.5 inches (3.5cm - 6.35cm) in diameter. Comes with pivoting orientation arms allowing for 3-way adjustability, ensuring you can get the angle you want. Includes 1 Roll Bar/Tube Clamp and 1 Three-way Adjustable Pivot Arm (three piece assembly)