Feature: 1. Smoother Pulling: Comes with damping pad, the drawer slide ensures gentle rolling for pulling out and back, very stable and quiet for use. 2. Universal Design: The suggested depth is 470‑500mm, the suggested width is 200‑400mm, and the suggested outer frame depth is more than 450mm. 3. Wide Application: Suitable for various occasion, including cabinets, wardrobes, cloakrooms, kitchen cabinets, study rooms, living rooms, etc. 4. Premium Material: The galvanized cold rolled steel is rustproof, also very sturdy to bear 60kg load, and very sturdy for long term using. 5. Quick to Install: Designed to have a compact size and a light weight as well, the drawer slider rail is very convenient to install in minutes. Specification: Item Type: Drawer Slide Model: 20 Material: Damping drawer slide. Suggested Depth for Pull Out Drawer: Approx. 470 ~ 500mm / 18.5 ~ 19.69in Suggested Width for Pull Out Drawer: Approx. 200 ~ 400mm / 7.87 ~ 15.75in Suggested Height for Pull Out Drawer: Unlimited Outer Frame Depth: Approx. ＞ 450mm / 17.72in, excluding front and rear panels. Load Bearing: Approx. 60 kg / 132.28 lb. Package List: 1 x Upper Drawer Slide1 x Lower Drawer Slide2 x Screw Kit1 x User Manual Note: There may be size error.