Product Description Attaches to desktop edge without tools, which allows platform to tilt or slide with ease. Extended knee clearance keeps you comfortable while typing and mousing. Attaches to desktops up to 1-3/4" thick without surface damage Single lever easily adjusts tilt (flat to 30°) and slide (4-5/8" travel distance)Unique textured surface keeps mouse from sliding off mousing platform (IP pending)Ultra soft memory foam wrist support with Micro-antimicrobial protection keeps product cleaner Large platform holds both keyboard and mouse From the Manufacturer Fellowes Tilt-n-Slide Keyboard