The RAM Mounts RAM-B-HOL-UN7 X-Grip is a universal spring-loaded phone holder designed for devices with a width range of 1.875 inches (47.63 mm) to 3.25 inches (82.55 mm). This holder features a 'B' size 1-inch (25.4 mm) rubber ball, making it compatible with a wide range of RAM B size mounting components. Constructed from high-strength composite and stainless steel, it provides secure retention and easy access to your device. The X-Grip design offers a clean and clever four-leg aesthetic that ensures excellent holding power without obscuring your phone's buttons or ports. Ideal for agricultural, construction, and industrial machinery applications where a reliable phone mount is essential.