This adjustable keyboard platform is a necessity in any word-processing office application. Match this accessory with a monitor stand or arm for a complete ergonomic desktop solution.Provides a full range of adjustment to accommodate a wide range of computer users. Stores the keyboard conveniently under the worksurface, where it can be pulled out whenever it’s needed.Benefits- Lift, lower and tilt your keyboard for optimum comfort- Stores under the worksurface when not in use; extends and retracts from under the worksurface- Tray accommodates larger keyboards and mouse equipment with its large one-piece surface- Easy and flexible installation: Inconspicuously clamps to front-edge of desktop, or remove clamp and attach with four screw under the surface- Ball-bearing slides produce smooth motion- Durable and sturdy construction: Arm and slide are made of steel and tray is composed of robust phenolic material- Provides a solid and stable data-entry platform