Anti-pinch and Tight ClosureUpgraded double-spring copper core damper is adopted, and when closed, the slide has an outward thrust to make the drawer slowly close to prevent fingers from being pinched. When opened, the slide has a strong inward pull, and a handle is requiRed to easily open the drawer and prevent the drawer from falling during movement. Anti-rust and DurableSurface electrophoresis treatment to prevent direct contact with air, improve oxidation resistance and corrosion resistance. Solid ball bearings provide quiet and frictionless movement. 30 years service life, after testing, the drawer slide smoothly opened and closed more than 100,000 times. Solid and RemovableMade of high-quality cold-rolled steel. Thickness: 1.2mm, twice the normal slider; Load: 45kg (100 lbs), 1.7 times that of the ordinary slider. The slide rail is designed with a removable snap, which can easily remove the drawer by pressing it, making it easy to organize and clean items. Installation GuideThe product is suitable for product length cabinet depth. Drawer Left Mounting Clearance: 0.5" (12.5mm), Right Mounting Clearance: 0.5" (12.5mm). 8 mounting screws attached. Warm TipsThe product is a metal product, it is recommended to install it with gloves. We come with installation manuals and installation videos. If you have any questions, please contact us as soon as possible SHUHANG- make your life better. Colour:Black Material:Alloy Steel