HUANUO Keyboard Tray Under Desk, 360 Adjustable Ergonomic Sliding Keyboard & Mouse Tray, Under Desk Keyboard Tray Slide Out, Keyboard Holder Under Desk for Typing in Home, Office Work, 25"W x 9.84"D White

Easy Installation - All necessary hardware and instructions are provided for assembly. Please confirm that no crossbar under your desk OR at least 14.17" between the desktop edge and crossbar（if the entire keyboard tray must slide under the desk needs at least 16.22"), no legs and obstacles on either side of the desk OR at least 25" of width clearance（if the keyboard tray requires rotation needs at least 35.4"), and minimum desk thickness >0.6”. Save Space - Placing the keyboard and the mouse on an ergonomic tray improves comfort and creates additional space on the desktop. When not in use, the sliding keyboard tray disappears under the desk. Please tighten the knob when typing. （Please loosen the knob first, then adjust the tray to a position parallel to the bottom of the desk and tighten the knob, and the product can be slided and rotated successfully.）. Height Adjustable Keyboard Tray - The keyboard tray with a total of 6.3 inches of height adjustment, this under desk keyboard tray will let you sit and stand at your desk and achieve better ergonomics. (When the keyboard tray is adjusted to the lowest, the height of the connector is 7.48"). Full Motion Under Desk Computer Keyboard Platform - The platform can swivel left and right 180 degrees. It can also tilt 6 degrees up and 22 degrees down for improved comfort. Large & Practical Size – This full-size keyboard tray measures 25" × 9.84" (635 × 250 mm). It is ideally suited for keyboards measuring approximately 17.3" × 5.5" (440 × 140 mm) or smaller, with additional space for a mouse. Before purchasing, please compare your keyboard dimensions with the tray size and make sure you are comfortable with the remaining space available for mouse use. An included wrist rest provides added comfort during use. (Item weight: 10 lbs.).