Well thought out and pact designs are mon place at RAM and our new RAM Tough-Tray II is no exception. Spring loaded to create just the right amount of holding force most tablets UMPC?s and pact laptops can be made safe and secure while on the go. Simple to install and adjust retaining arms insure a perfect fit without interfering with ports or functions. Also if a pact laptop is in place these retaining arms hold firm with the screen up or down. Ideally suited to a multitude of applications and easily attached to hundreds of mounting systems for cars boats planes and more pact devices just work better in the universal tablet holder from RAM.Dimensions:Tray Depth: 6.0"Tray Thickness: 1"Tray Width (Expansion): 8.56" to 12.31"Side Clamp Arm Height: 2.75" maxIncluded With Purchase:(1) Laptop Tray(4) Standard Retaining Arms(4) Flat Retaining Arms (Allow for laptops to close while in the tray) Product : RAM MOUNT UNIVERSAL LAPTOP MOUNT TOUGH TRAY II Manufacturer : RAM MOUNT Manufacturer Part No : RAM-234-6 UPC : 793442920981