Removable and multipurpose: the sliding rail is equipped with a removable push button, which can easily remove the drawer by pressing, which makes it easier to organise and clean items. It can meet different living needs. Large heavy drawer discs, shelves, industrial drawers, tool boxes, RVs, trucks, etc. Fully extended and robust: the extension length of the drawer slide corresponds to the closed length. Made of cold rolled steel Q235, tensile strength of 400 MPa. Thickness: 2 mm, 3.3 times that of ordinary sliders; load: 120 kg (265 lb), 4.4 times more than a normal slider. Rust-proof and durable: the surface is treated with high-quality galvanised blue zinc to prevent direct contact with air and improve oxidation resistance and corrosion resistance. Rubber cushions reduce drawer closing force. Solid ball bearings ensure quiet and friction-free movement. 30 years service life, after testing, the drawer slide rail opened and closed smoothly more than 100,000 times. Installation instructions: The product is suitable for product length cabinet depth. Drawer left mounting space: 0.75" (19mm), Right mounting space: 0.75" (19mm). Note: Due to different usage scenarios, this product does not contain screws. You can buy M5 screws yourself. The slide rail starts at 18 inches, and each additional two inches reduces its load by 10 lbs.