The RAM Tough-Claw™ is the perfect mount for a quick and easy tool-less installation and removal on round, square, odd shaped rails and bars. With an overall length of 22", this mount integrates the unique double ball and socket design with a PVC pipe system that adapts to any action camera using the universal action camera adapter. Whether you are positioning the mount up high or offset to the side, capture the best video footage in any calm or static environment. Compatible with a wide range of handle or rail surfaces including the OtterBox Venture Cooler. Clamping Range (Rail/Tube Surfaces):1" to 1.875"Clamping Range (Flat Surfaces):0" to 1.6"