Removable, VersatileThe slide rail is designed with a removable carabiner to easily remove the drawer by pressing it, making it easier to store and clean items. It can meet all kinds of family needs. Large heavy-duty drawer slides, shelves, industrial drawers, tool boxes, RVs, trucks, etc. Fully Extended and SturdyThe extended length of the drawer slide is equal to the closed length. Made of cold-rolled steel with a tensile strength > 400 MPa. Thickness: 1 mm; Load: 45 kg (150 LB). Rust Resistant and DurableThe surface is treated with high-quality electroplated blue zinc to prevent direct contact with air and improve resistance to oxidation and corrosion. Rubber mats can reduce the closing force of the drawer. Solid ball bearings provide quiet and frictionless movement. 30-year lifespan, tested, drawer slides open and close smoothly more than 100,000 times. Installation GuideThis product is suitable for product length cabinet depth. Mounting space at Drawer left: 0.5" (12.7mm), right mounting space: 0.5" (12.7mm). You can purchase the M4 screws yourself. The slides start at 18 inches, and every two-inch increase reduces its load by 4.5 kg. Good LifePacked with five layers of corrugated paper, which is thicker than ordinary cartons, which allows the products to be better protected during transportation. We provide installation manuals and installation videos. If you have any questions, please contact us as soon as possible. Shuhang - improve your life.