Switch from Sitting to Standing with Ease It takes little effort to transition from sitting to standing ? even with the maximum 35 lbs desktop load. Just lightly squeeze the single hand bar and lift using only 13 lbs of force. Lowering requires just 3 lbs of force. Fits Most People's Height Placing ClassicRiser on a 28'' high desk will accommodate users up to 6'1'' tall. Placing ClassicRiser on a 31'' high desk will accommodate users up to 6'5'' tall. Extra-wide Removable Keyboard Tray Offers ample space for a full-sized keyboard, mouse and mousepad while also providing adequate room for healthy wrist positioning. Space-saving Vertical Adjustments Saving valuable space in your workstation and offering better stabilization when lifting and lowering.Taking up extra space in your workstation and increasing the likelihood they might topple forward. Improve Your Posture while You Work Whether standing up or sitting down, you?ll find that every detail of the ClassicRiser is designed to prevent slouching and help you maintain a comfortable and ergonomically correct posture. Easy Setup Place the desk riser anywhere to spice up your workstation.