RAM X-Grip iPhone 5c Holder with Short Double Socket Arm and M10 Threaded 1inch Diameter Ball Mount (sku 18295)RAM X Grip iPhone 5c Holder with Short Double Socket Arm and M10 Threaded 1" Diameter Ball Mount. RAP B 349 A UN7 The X Grip is a spring loaded holder which allows for a perfect fit to the phone. Rubber coated tips will hold the device firm and stable. Constructed from high strength composite and stainless steel. Holder Dimensions: Minimum width 47. 6mm Maximum width 82. 5mm Depth 22. 2mm. An M10 threaded post base with a short 1. 75 inch double