Keyboard Trays Improve ergonomics and maximize your desk space Fits Your Workspace Choose between 24.5" and 33" widths to perfectly suit your narrow or wide desk. Enhances Ergonomics A keyboard holder places your hands at a more comfortable height to reduce the potential for fatigue and pain. Tool Free Installation This clamp-on keyboard tray attaches with simple thumbscrews and requires no drilling or modifications. Adaptable Will fit most desktops with a thickness of up to 1.5". User Friendly Features Chamfered Front Edge Enhances typing comfort. Clamp-On Design Tool-free installation with no modification of the desk necessary. Easy Glide Tracks Ensures smooth extension and retraction of the keyboard tray. Built-to-Last Steel mounting brackets with a sturdy, extra-thick plastic keyboard shelf