Product details:
Ideal for any word-processing office application, this under desk arm allows you to lift, lower and tilt your keyboard offering optimum comfort for a wide range of users. Single knob adjustment for both height and tilt settings. One-piece phenolic tray stores conveniently under work surface when not in use; extends and retracts on smooth ball bearing slides. Accommodates both larger ergonomic keyboards and mouse equipment. Easy and flexible installation; clamps to front edge of 3/4"to 1-1/2"work surface.