Using good materials and workmanship for high strength and loading capacity, our keyboard tray must meet your needs. Equipped with a large and safe area for smooth sliding and noise and collision reduction to make your work convenient. The sliders makes the sliding very smooth, not easy to stuck. Features -Color:Black -Material:Plastic - Size: 51.00X25.00X2.00cm/20.04X9.82X0.79in - Size: 35.00X3.00X1.00cm/13.76X1.18X0.39in - With this under desk keyboard tray, you can find a proper height for comfortable typing posture. - The smooth keyboard tray sliders make the sliding easy, making your work convenient and easy. - When your keyboard is out of use, just slide in the keyboard tray under the desktop instead of placing on the desk, saving up valuable space. - Made of sturdy materials and good workmanship, the under desk keyboard tray is and has a . - Comfortable hand feel, reduce hand fatigue, you can use the desk keyboard tray , in the office or other places you need. Package list: 1 2 x Sliding Rails