RAM MOUNT X-Grip Phone Mount w/9mm Angled Bolt Head Adapter [RAP-B-272-A-UN7U]X Grip Phone Mount with 9mm Angled Bolt Head Adapter The RAP B 272 A UN7U consists of an angled base with 9mm hole, short composite double socket arm and universal spring loaded RAM X Grip cradle for cell phones. The angled base is often used on motorcycles, attaching to the mirror frame, the main brand of bike for this part is BMW. The included RAM X Grip cradle has a clean and clever four leg design that sports great holding power without hiding