Front access control lever allowing for easy operation of entire arm rotation, and offering ergonomically supreme function 360 degrees of smooth rotation for ideal computing device viewing angles from both the driver and front passenger seats Swing arm has 24 locking points, or every 15 degrees of rotation to maximize placement options Slide out extends up to 3.75" with smooth gliding action to lengthen arm from 11.25" up to 15" Includes C-MD-202 motion adapter that can provide up to 180 degrees of rotation and 90 degrees of tilt for laptops, tablets, etc. utilizing VESA 75 or amps mounting patterns Locking handles provided for both slide and tilt functions Slide locking handle can be installed on either left or right side Rotation and slide tension easily adjusted with hand tools, no disassembly required Ruggedized design adds protection for improved safety of occupants and equipment Material: rugged heavy gauge black powder coated steel and machined 6061 aircraft aluminum for strength, durability, and rust prevention Mounting pattern: 4 hole @ 2.125" square (1/4" mounting hardware provided)