This kit includes the RAM-234-6 with the RAM POD I with a 1.5" diamter ball and socket. This universal vehicle mounting base quickly and easily installs into a variety of vehicles and other applications. The RAM-POD I has a maximum extension of 18" but can be cut to desired length. The black steel foot can be attached to the inside seat rail bolt of the passenger or any existing bolt. 

Tray Dimensions:
Tray Depth: 6.0"
Tray Thickness: 1"
Tray Width (Expansion): 8.56" to 11.12"
Side Clamp Arm Height: 2.75" max

Material:  
High Strength Composite and Powder Coated Marine Grade Aluminum 

Ball Size: 
1.5" Rubber Ball Size 

Note:  
The "U" in the part number reflects product packaged in poly bag.