This kit includes a C size RAM® diamond ball base with a universal hardware pack that accommodates the seat track on most major wheelchair brands, including Invacare, Permobil, and Quickie. With the included short single socket arm, pipe extension, and double socket arm, connect the RAM® X-Grip® universal holder for 9”-11” tablets. The spring-loaded RAM® X-Grip® provides a perfect fit for your tablet and can be easily adjusted to the ideal position.