Ergonomic typing comfort: This under desk keyboard tray positions your keyboard and mouse lower and closer to your body, reducing wrist strain and shoulder tension while improving posture Custom height and tilt: Adjust the keyboard tray under desk up to 5.5 in height and tilt from +20 to 25 with a secure knob, personalizing your setup for long workdays or gaming sessions Desk compatibility guide: Works with wood or MDF desks with at least 18 depth and 5.5 width of clear mounting space. Not for glass, metal, or desks with crossbars. Check before installing to avoid returns Slide-out keyboard drawer: Tray extends a full 15 and slides neatly under the desk when not in use, maximizing space for monitors, laptops, or writing. Functions as a desk keyboard tray slide out solution Comfortable wrist and mouse support: Includes soft gel wrist support on the tray and a 7 9.25 mouse platform with padding, which mounts left or right for all users. A versatile keyboard holder under desk setup Stable heavy-duty design: Built with a steel track system to hold up to 12 lbs. This keyboard desk attachment keeps your keyboard steady and wobble-free for typing, whether at work or in a dorm Multiple workspace applications: From remote workstations to compact student desks or gaming rigs, this adjustable keyboard extender for desk helps you reclaim space while staying comfortable and organized Transform your workspace with the Mount-It! Full Motion Under Desk Keyboard Tray, designed to improve posture, free up desk space, and create a healthier typing environment. By lowering your keyboard and mouse closer to your lap, this keyboard drawer under desk slide helps reduce wrist strain, shoulder tension, and neck fatigue during long hours at work, school, or gaming. The tray features height and tilt adjustments up to 5.5", so you can personalize your typing angle with a simple knob. A built-in gel wrist rest provides comfort and support, while the included mouse platform—measuring 7" × 9.25"—can be mounted on either side for both right- and left-handed users. When not in use, the platform functions like a desk keyboard tray slide out, tucking neatly under your desk to maximize legroom and keep your desktop clutter-free. Engineered for durability, this keyboard desk attachment uses a steel track system for smooth sliding and wobble-free stability. It securely supports full-size keyboards and accessories, making it a dependable keyboard extender for desk setups. With a mounting track of 17.25" and a tray size of 20.5" × 11", it’s compact yet spacious enough for daily use. Whether you need an ergonomic upgrade for your home office, a keyboard shelf solution for a dorm desk, or a flexible platform for gaming rigs, this tray adapts to your lifestyle. Built for comfort, convenience, and compatibility, it’s the space-saving upgrade your desk has been missing. Key benefits: Ergonomic typing comfort reduces wrist and shoulder strain Custom height & tilt adjustment up to 5.5" for your ideal angle Slides fully under desk to save space and maintain legroom Soft gel wrist support plus left/right mountable mouse platform Steel track for smooth motion and stable, wobble-free typing Compatibility notes (check before installing): Works with wood/MDF desks; requires ~18" clear depth and 5.5" width for mounting Not compatible with glass or metal desks, or desks with crossbars under the surface Specifications: Tray: 20.5" (W) × 11" (D) Mouse pad: 7" (W) × 9.25" (D) Height adjustment: up to 5.5" Track size: 17.25" (L) × 5.5" (W)