Safco Ergo-Comfort Articulating Keyboard/Mouse Arm

No knobs or levers, lift keyboard tray for height adjustment Units extend and retract on a 21" precision glide track Adjustment knob for a +15° to -15° tilt range Full 360° rotation Meets BIFMA standards Therasoft® wrist rest that may help minimize pressure points All models include mounting hardware Wide, ultra-thin platform Lift-N-Lock 6" height adjustment Clear lift-up Lexan® mouse surface to display pictures, memos, etc.You may also like Muv™ 35" Adjustable Height Desk, Medium Oak.