This product consists of a small tough claw, standard length socket arm, and an adaptor that is compatible with GoPro cameras and other brands, allowing you to mount your camera just about anywhere. 

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. It can be clamped on rails from 0.625" - 1.5" (15.9mm to 38.1mm) in diameter. 

• Clamping Range (Rail/Tube Surfaces): 0.625" to 1.5" (15.9mm to 38.1mm)
• Clamping Range (Flat Surfaces): 0" to 1.14" (0mm to 28.9mm)
• Material: High Strength Composite
• Ball Size: 1" Rubber Ball "B" Size

Note: The "U" in the part number reflects product packaged in poly bag.