The GoPro Roll-Bar Mount comes with 1 Roll Bar/Tube Clamp, 1 Three-Way Adjustable Pivot Arm (three piece assembly), and Roll Bar/Tube Clamp for Mounting your Quick-Release GoPro Camera on to Tubes/Frames ranging from 1.4" to 2.5" (3.5cm-6.35cm) in diameter. The Roll Bar Mount is perfect for Clamping your Camera to the Radiator Cap (both metal and plastic caps) on Karts. You can also clamp to Bike Frames, Bumper Bars, Ski/Surfboard Racks, or anything else that is in the size range above. It comes with Pivoting Orientation Arms allowing for 3-Way Adjustability, ensuring you can get the Angle-You-Want. It is Compatible with all GoPro Quick-Release Cameras including the Helmet HERO Wide, Motorsports HERO Wide, Motorsports HERO, Surf HERO, and WIDE HERO Cameras. It is not compatible with the Digital HERO 5 Wrist Camera. The GoPro Roll-Bar Mount is perfect for outdoor use. Create Unique Photos and Video with the GoPro Roll-Bar Camera Mount. Mount is made from Durable Polycarbonate with Corrosion Resistant Stainless Steel Hardware. Mount is covered by a 12 month limited warranty.