This kit will allow you to mount most standard sized phones to any flat, round, or odd-shaped bar/tube between 15.9mm and 38.1mm (bars) and 0mm to 29mm (flat surfaces).

It consists of the small Tough-Claw™ base and the standard size universal X-Grip® cradle. Note that this X-Grip is different from the RAM-HOL-UN7BU in that it does not have a 1" ball on the back, but connects directly to the Tough Claw, rotating 360 degrees.

The X-Grip® includes a RAM-HOL-UN7TU :: RAM Tether for UN7 X-Grip Holders recommended for outdoor applications, and the X-grip cradle will hold any phone within the dimensions listed below.

• Clamping Range (Rail/Tube Surfaces): 0.625" to 1.5" (15.9mm to 38.1mm)
• Clamping Range (Flat Surfaces): 0" to 1.14" (0mm to 29mm)
• X-Grip® Cradle Dimensions 
  Minimum Width = 1.875" (47.6mm) - Minimum height at this width is 4.25" (107.9mm)
  Maximum Width = 3.25" (82.6mm) - Minimum height at this width is 2.25" (57.2mm)
  Depth = 0.875" (22.2mm)
• Material: High Strength Composite & Stainless Steel

Note: The "U" in the part number reflects product packaged in poly bag.