Kantek Keyboard Tray, Clamp, 20-1/4"Wx11-3/4"L, Black (KTKKT165) EachKeyboard tray features a tilting design that lets you place your keyboard at a more comfortable angle to help prevent wrist strain. Free sliding design allows you to slide your keyboard tray under your desk or lock it into a fixed position. Easy to use clamp secures onto desks up to 1 5 8" thick without requiring any tools and can be readjusted as needed. General Information Manufacturer: Kantek, Inc Manufacturer Part Number: KT165 Manufacturer