Three-Prong Mount Compatible, Double Ball Arm, Clamps onto Round or Flat Surfaces, Marine-Grade Aluminum and Composite, 2 lb Load Capacity Depending on Use. For clamping your GoPro/action camera with three-prong mount onto round flat or oddly shapped rails bars and surfaces the RAM Mounts Tough Claw Small Clamp Mount with Universal Camera Adapter is a rugged and quick-mounting solution. Featuring a double-ball arm the mount provides two points of articulation (excluding the mount) which allows you to attach and position your action camera securely. Supporting one-pound loads in high-stress applications and loads up to two pounds in standard applications the mount requires no tools when adjusting the clamp size to fit on round bars up to 1.5 in diameter or flat surfaces up to 1.14 thick. With one knuckle on the clamp and a separate knuckle for adjusting the double-ball arm you can confidently adjust the ball arm without fear of loosening the clamp from the mount. The marine-grade aluminum and composite-material construction makes this clamp suitable for dry and wet situations.