[25cm left and right 1 set]

[30cm left and right 1 set]

This is a sliding rail that allows you to utilize the space under your desk for later use in your keyboard tray or drawer. Pull-out storage allows you to use your desk comfortably when you need it. Rust-resistant and durable slide rails are used when you want to store a little heavier stuff. Comes with screws for easy installation. Drawer stopper is included so it wont pop out. Stainless steel sphere for smooth and noise-free drawing. Grease is applied for these bearings so they are sticky and must be careful. The 3-tier design allows you to pull out the 3rd tier, making it convenient for attaching boards etc. Set of 1 pair on the left and right Accessories: Screws, Size when stored: Approx. 9.8 inches (25 cm).