Features Adjustable Height Installation: Features screw holes for customizable height adjustments, ensuring a perfect fit for your computer desk setup Smooth and Quiet Operation: Equipped with solid ball bearings that provide a smoother, more balanced glide, enhancing your typing experience without disruption Collision Damage Protection: Includes slip pads that effectively minimize damage from switch collisions, prolonging the lifespan of your keyboard and workspace Durable and Sturdy Material: Constructed from thickened cold rolled steel, ensuring strength and stability for long-lasting performance in any environment Elegant and Practical Finish: Multi-layer plating offers excellent oxidation resistance, maintaining a beautiful appearance while providing practical functionality Features: 1、Screw hole-can adjusted the height to install 2、Solid ball - smoother, more balance and quiet 3、Slip pad - effectively reduces the damage caused by switch collisions 4、 material - study ans 5、Multi-layer plating - the polishing plating of has good oxidation resistance, is not easy to , beautiful and practical Specification: Features: 1. Screw hole-can adjusted the height to install 2. Solid ball - smoother, more balance and quiet 3. Slip pad - effectively reduces the damage caused by switch collisions 4. material - study ans 5. Multi-layer plating - the polishing plating of has good oxidation resistance, is not easy to , beautiful and practical Specification: Condition: 100% Material: Cold Rolled Steel Optional Color: White, Black Size: Approx. 356 x 32.5mm / 14.0 x 1.3in Package List: 2 * Keyboard Rails 1 Set of Screws Note: Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List