FEATURES 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 Includes drill-down 2.5" round base and medium length, B size RAMA(R) double socket arm; ball and socket technology allows for near-infinite adjustability Made of stainless steel components and high-strength composite for durability and reliability in the most demanding environments Backed by a lifetime warranty OVERVIEW The RAP-B-138-UN7U consists of a 2.5" diameter round base featuring the universal AMPS hole pattern, medium length composite double socket arm, and the popular spring-loaded RAMA(R) X-GripA(R) phone holder. The RAMA(R) X-GripA(R) features an 'X' design that expands and contracts to provide a perfect fit for your device - even if it's in a case. Made of marine-grade, stainless steel components and high-strength composite, this version of the RAMA(R) X-GripA(R) fits phones ranging from 1.87" to 3.25" in width and keeps your device completely functional and accessible. RAMA(R) ball and socket technology allows for near-infinite adjustability to achieve the ideal viewing angle - while also extending the life of your phone by providing shock and vibration damping. For outdoor applications, the RAMA(R) X-GripA(R) includes a device tether that is recommended for added security and peace of mind. HARDWARE INCLUDED (1) Optional Tether (1) Glue Tube for Rubber Caps HOLDER DIMENSIONS Width Range: 1.875" - 3.25" Depth Range: .875" max SOCKET-TO-SOCKET LENGTH 3" HOLE PATTERN 4-Hole AMPS: 1.181" x 1.496" PLATE SIZE 2.5" Diameter BALL/SOCKET SIZE B Size (1") WEIGHT CAPACITY Standard Use: 2 lbs Heavy-Duty Use: 1 lb MATERIALS High strength composite Stainless steel PACKAGING TYPE Poly Bag WEIGHT 0.52 lbs.