Optional Tether Included The RAP-SB-187-UN7U consists of the RAM EZ-Strap(TM) base, double ball SHORT arm and universal X-GripA(R) cradle. The strap can be cut to fit tubing, square rails and irregular shapes from 0.5" to 2.58" in diameter. Multiple adjustment points allow you to move the universal X-GripA(R) cradle to your optimum viewing position. This mount rotates 180 degrees. 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 Assembly Hardware (1) Optional Tether (1) Glue Tube for Rubber Caps HOLDER DIMENSIONS Width Range: 1.875" - 3.25" Depth Range: .875" max CLAMP RANGE .5" - 2.58" diameter BALL/SOCKET SIZE RAM Snap-Link (3/4") WEIGHT CAPACITY .5 lb MATERIALS High strength composite Stainless steel PACKAGING TYPE Poly Bag WEIGHT 0.35 lbs.