Conserve valuable desktop space and improve the ergonomics of your workstation. High-impact plastic tray holds keyboards up to 20 3/4w x 10 1/8h. Built-in wrist rest features handy cut-outs to hold supplies. Three different height selections for custom comfort. Easy installation with hardware included. Color: Black; Workstation Type: 90 Corner; Diagonal; Straight; Height (+/- Desktop): +0″/-Up to 4″; Keyboard Tray Dimensions (W x D): 21 3/8″ x 12 7/8″.