Place this ergonomic keyboard tray below your desk top so your arms, wrists, and hands are positioned to reduce fatigue and pain over a long workday. And you'll have more desk space for other items and a comfortable angle for typing.This ergonomic keyboard tray is the answer to your office woes!❉ Specifications:- Keyboard Tray Dimensions: 55 cm x 24 cm / 21.7" x 9.4"; 64 cm x 24 cm / 25.2" x 9.4"; 75 cm x 24 cm / 29.5" x 9.4"- Sliding Track Dimensions: 16 cm x 23 cm x 40 cm / 6.3" x 9" x 15.7"- Recommended Desktop Thickness: Greater than 1.5 cm / 0.6"- Height Adjustment: 12 cm / 4.7"- Tilt: +15° to -15°- Rotation: 360°❉ Package Includes:- 1 x Keyboard Tray- Mounting Accessories❉ Feature:- Enhances typing comfort.- Fits most keyboards and mice on the market.- Ensures smooth extension and retraction of the keyboard tray.- Stable steel mounting brackets with a sturdy, extra-thick keyboard shelf.- Win back valuable desk space by adding a lower-tier surface for the keyboard.❉ Note:- The thickness of the desktop must be greater than 1.5 cm (0.6in) to install.- To ensure the effect of use, reserve 3 cm (1.2in) on the edge of the table when installing the slide rail.❉ Efficient Service:- If you have any questions about our products or orders, please contact us, and we will be happy to assist you and respond to you within 24 hours.