Adjustable Keyboard Platform with SmartFit System, 21.25w x 10d, Black

Adjustable keyboard platform feature unique modular platforms that adjust for different sized keyboarding surfaces. Use all three platforms or just one. Includes wrist rest for keyboard. Utilizes easy color-coded window for instant color adjustments. Standard?11″ arm for use with straight workstations. Workstation Type: Straight; Sit-to-Stand Option: No; Height (+/- Desktop): +0″ Above to -6″ Below; Keyboard Tray Dimensions (W x D): 21.25″ x 10″ or 30.5″ x 10″.