Deluxe Keyboard Tray Height: Adjustable - 7 positions from 2.25" to 3.60". Clearance - Fits 29" wide space Interior tray size 25.75" x 10". Action: Precision steel ball bearing slide assembly with lockout 28.75" Lycra gel/PVC cushion wrist rest wraps around the front edges of tray. Injected molded 25" x 5" accessory tray with extended slides. Integral mousing surface inside tray. To see other KV Keyboard Items, Search: KV Keyboard or KV Keynetix