RAM Mount X-Grip Phone Mount f/Wheelchair Armrests [RAM-B-238-WCT-2-UN7]RAM X Grip Phone Mount for Wheelchair Armrests This kit includes a B size RAM diamond ball base with a universal hardware pack that accommodates the armrest on most major wheelchair brands, including Invacare, Permobil, and Quickie. With the included long double socket arm, double ball adapter, and medium double socket arm, connect and adjust the RAM X Grip universal phone holder to your ideal position. The popular, spring loaded RAM X Grip provides a