RAM Mount - Small Tough-Claw Base with 1" Diameter Double Socket Arm - RAP-B-400-201U. 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. The Tough-Claw can be clamped on rails from 0.625" - 1.5" outer diameter. Ideal for mounting tablets, action cameras, smartphones, rod holders for rod storage and much more in a wide variety of applications. Perfectly suited for mounting on the yoke of an aircraft, handlebars and seat posts of bicycles, kayak rails, roll bars and much more, the RAM Tough-Claw will soon become another essential RAM component in your collection of mounting options.. Clamping Range (Rail/Tube Surfaces):. 0.625" to 1.5". Clamping Range (Flat Surfaces):. 0" to 1.14". Features:. High strength glass filled nylon construction with corrosion resistant stainless steel hardware. Rubber pads provide stable, even gripping and protection of mounting surface. Clamp jaw is configured for