Ergonomic Design: The desk extender wrist rest is ergonomically designed to expand your desk space horizontally and keep your desk extender and desktop on the same level. For many computer users, it relieves constant tension in the neck, arm, and shoulder muscles, promotes healthy sitting posture, and makes desktop work more comfortable. Foldable Elbow Desk: The desk extender has a folding design, so when not in use, you can fold the armrest with the computer 90 degrees, keep your desk organized by pressing the clips. The corners are designed to be to prevent collisions and safety. EASY INSTALLATION: The elbow rest table comes with a clamp bracket, no drilling required, no damage to your table. Easy to use, the armrest computer can be installed in 3-5 minutes. It can be used when the thickness of the countertop is 1-6 cm. Double Clamp and Double Support Super Stable Design: With double support and triangular design, the desk extender is more stable and can support a weight of 25kg. When operating the keyboard, it feels very stable. High-quality material: The desk extender is made of high-quality panel material, which is healthy, environmentally friendly, sturdy and durable, and the design is not easy to be damaged or deformed. It has good moisture resistance and abrasion resistance, and will not be damaged or deformed. Notes: 1. It cannot be installed on curved or special-shaped . 2. If the edge of the table is sloped, it cannot be installed. 3. If the edge of the table is raised, it cannot be installed. 4. If the edge of the table is curved, it cannot be installed. Please confirm the table type in advance. Colour:black Material:MDF+carbon steel Size:30 x 17.5 x 5cm Package Contents: 1 x hand bracket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.