Aolissheng drawer slide:: Aolissheng full extension drawer has passed the test of professional testing institutes. The opening and closing time of the slide exceeds 100,000 times, which is durable, and the normal service life of the slides exceeds 30 years. Heavy-duty drawer slides: Size: 400mm - Installation thickness: 12.7mm (each) - Width: 50mm - Maximum load: 70kg - Total length: 81.3cm - Package includes: set of 2 (1 pair of rails) left and right. Mounting brackets and screws are not included. Removable and fully extendable drawer slides: There is a plastic buckle on the back of the inner rail, which can be removed by pressing and pulling. 3 folding sliders allow the sliders to extend fully, smoothly and quietly, avoid impact when pushing and pulling during use, and reduce noise. Anti-rust and anti-corrosion: High-quality electroplating is used, followed by blue coating, which has a high anti-rust effect and is durable. Tip: The metal parts are sharp when installing. Please