Tough-Claw™; Base w/Long Double Socket Arm & Universal X-Grip® Cradle w/1" Ball f/7" TabletsThe RAM-B-400-C-UN8U consists of the Tough-Claw™; rail clamp base, LONG length double socket arm and universal spring loaded X-Grip® cradle for 7" tablets. The spring loaded X-Grip® cradle expands and contracts, allowing for a perfect custom fit of your tablet. Included are easy access grip knobs for quick insertion and release of your handheld device. The Tough-Claw™; rail clamp base 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. 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"X-Grip® Cradle Dimensions Minimum Width = 2.25"Maximum Width = 5.75"Depth = 0.875"Specifications/Features: RustproofSpring loaded cradle expands and contracts for perfect fit of your deviceRubber coated tips will hold device firm and stableHigh strength glass filled nylon construction with corrosion resistant stainless steel hardwareRubber pads provide stable, even gripping and protection of mounting surfaceClamp jaw is configured for round, flat and odd shapesQuick installation and removal of Tough-Claw™;Lifetime warranty Made in U.S.A.Material: Powder Coated Marine Grade Aluminum, Marine Grade Stainless Steel Components & High Strength CompositeBall Size: 1" Rubber Ball “B” Size Note: RAM Highly Recommends adding a secondary tethering device for all open cockpit applications while using this product. The “U” in the part number reflects product packaged in poly bag.