FEATURES Small version of the RAMA(R) Tough-Claw(TM) base is designed to quickly clamp to round, square, and odd-shaped rails and bars ranging from .625" to 1.5" in outer diameter; rubber pads provide stable gripping and protection of mounting surface Spring-loaded 'X' design with rubber caps sports great holding power without hiding your phone; includes optional device tether for peace of mind during rugged use Made of high-strength composite and stainless steel hardware for durability and reliability in the most demanding environments Backed by a lifetime warranty OVERVIEW The RAM-B-400-A-HOL-UN7BU consists of the Tough-Claw(TM) rail clamp base, SHORT length double socket arm and universal spring loaded X-GripA(R) cradle for phones. The spring loaded X-GripA(R) 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(TM) 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(TM) 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 RAMA(R) Tough-Claw(TM) will soon become another essential RAMA(R) component in your collection of mounting options. The X-GripA(R) includes a device tether recommended for outdoor applications. The cradle is compatible with handheld devices that will fit the dimensions listed below. It is important to verify the dimensions of your handheld device with a case/sleeve/skin when determining the overall size. HARDWARE INCLUDED (1) Optional Tether (1) Glue Tube for Rubber Caps HOLDER DIMENSIONS Width Range: 1.875" - 3.25" Depth Range: .875" max CLAMP RANGE .625" - 1.5" diameter 0" - 1.14" flat surfaces SOCKET-TO-SOCKET LENGTH 1.75" BALL/SOCKET SIZE B Size (1") WEIGHT CAPACITY Standard Use: 2 lbs Heavy-Duty Use: 1 lb MATERIALS Marine-grade aluminum High strength composite Stainless steel PACKAGING TYPE Poly Bag WEIGHT 0.7 lbs.