This RAM? No-Drill laptop stand system installs quickly and easily into avariety of Chevrolet and GMC vehicles using the existing hardware of thepassenger side seat rails. This configuration provides a telescoping featurethat ranges from 12 to 18 . Dual swing arms provide articulation and 12 ofreach for passenger and driver access to the mounted device. RAM? rubber balland socket technology provides additional adjustability as well as shock andvibration isolation. The spring-loaded RAM? Tough-Tray laptop holderaccommodates 10 to 16 wide laptops, and 17 wide screens. The tray featuresfour adjustable retaining arms with rubber grips that can be moved bothvertically and horizontally. These arms allow for a custom fit for laptops ofvarying thickness while not blocking drives or ports. A screen support and USBlight are also available to accessorize the RAM? Tough-Tray . In addition, holepatterns on the perimeter of the laptop holder are compatible with several RAM?mounting solutions. RAM? No-Drill mounting base offers low-profile mounting; telescoping pole allows for height adjustments Dual articulating swing arm allows for ideal placement; universal laptop tray accommodates most laptops Made of powder-coated steel and high-strength composite Backed by a lifetime warranty RAM-VB-193-SW1 RAM-VB-193 RAM-VP-SW1-89 RAM-234-3 Hardware Included Assembly Hardware (2) Leg Clamps (2) 1/4″-20 Hex Nuts (2) 1/4″ Flat Washers (2) 1/4″ Lock Washers Tray Dimensions Width Range: 10″ – 16″ Side Arm Clamp Height: .5″ – 1.75″ Tray Depth: 10″ Tray Thickness: 2.125″ Ball/Socket Size C Size (1.5″) Materials Powder coated steel Marine grade-aluminum High strength composite Weight 24 lbs Additional Information This base is best used in bucket seat vehicles with a full center console. For 2014 and 2015 trucks with a 40/20/40 bench seat, the RAM-VB-191 is also an option. To install this base, the plastic trim nearest to the passenger door may need to be cut or modified to accommodate the RAM? No-Drill base once installed. If this cannot be done in your vehicle, or you are not comfortable with this, you should not purchase this product. Note that the RAM-VB-191-SW1 will not work with the 4×4 lever on the center hump of the vehicle. The RAM-VB-191-SW1 is for 4×2 trucks only.