Ram Mount Tough Tray II Universal Netbook, iPad and Tablet Cradle Holder (Black) Spring loaded to create just the right amount of holding force Simple to install and adjust retaining arms insure a perfect fit Ideally suited to a multitude of applications, and easily attached to hundreds of mounting systems Tray Depth: 6.0" Included With Purchase: (1) Laptop Tray, (4) Short Flex Retaining Arms, (4) Long Flex Retaining Arms, (4) Short Flat Arms, (4) Long Flat Arms