【Soft/Self Close Drawer Runner】The drawer slides are equipped with hydraulic dampers and double-row steel ball bearings, and have a soft closing function, which can close any drawer gently and silently, creating a warm and quiet home environment for you. 【Installation dimension description】 25 mm space between drawer and cabinet wall required (left 12.5mm, right 12.5mm).250 300 350 400 450 500 550mm Optional. 【Rust Prevention & Detachable 】surface electrophoresis treatment. The electrophoretic layer prevents air from directly contacting the rail steel plate, thereby resisting oxidation and improving corrosion resistance.There is a black plastic buckle on the back of the slide rail, and the drawer can be easily taken out by pressing it,Easy to install. 【Full Extension】 access to the entire drawer, Suitable for any drawer installation, which is convenient for storing items, And easy to install and use, which is convenient for storing items. 【 satisfaction guarantee】After 80,000 cycles of quality testing, 45kg Load capacity, It also comes with strict shipping packaging., Manufacturer: AYCDL