The RAM-B-101-C-UN9U consists of (2 QTY) 2.5″ diameter round bases with theuniversal AMPS hole pattern, LONG double socket arm and universal RAM? X-Grip?clamping cradle for 10″ tablets. The mount is designed with a RAM 1″ diameterpatented rubber ball and socket system that has adjustment points at both endsof the double socket arm; this allowing for almost infinite adjustment andperfect viewing angles. The RAM? X-Grip? clamping cradle consists of acomposite spring loaded cradle, expandable grip arms and additional bottomsupport keeper. Included are extra easy access grip knobs, located on the backof the cradle for quick release of your tablet. The RAM? X-Grip? clampingcradle expands and contracts for perfect fit of most 10″ tablets with orwithout sleeves, as well as some smaller tablets. Please verify dimensions ofyour tablet below for compatibility with the RAM? X-Grip?. Complete flat surface, drill-down mounting solution for the RAM? X-Grip? 10″ tablet holder Spring-loaded ‘X’ design with rubber caps sports great holding power without hiding your tablet; easy access grip knobs on the back of the holder allow for the quick release of your device Made of powder-coated, marine-grade aluminum, stainless steel components, and high-strength composite for durability and reliability in the most demanding environments Backed by a lifetime warranty Components RAM-B-101U-C RAM-HOL-UN9U Hardware Included Assembly Hardware Holder Dimensions Max Height: 10.25″ (using optional supports) Width Range: 6.25″ – 8.1″ Max Depth: .875″ Socket-to-Socket Length 5.31″ Hole Pattern 4-Hole AMPS: 1.181″ x 1.496″ 3-Hole 120-Degree: 1.812″ Diameter Ball/Socket Size B Size (1″) Weight Capacity 2 lbs Materials Marine-grade aluminum High strength composite Weight 1.85 lbs