Anti-Clip & Tight ClosingWith an upgraded double spring copper core damper, the slider has an outward push when closing, allowing the drawer to close slowly and preventing fingers to be pinched. When open, the slider has a strong inward pull and requires a handle to easily open the drawer, preventing it from falling during movement. Rust-Resistant and DurableElectrophoretic surface treatment to avoid direct contact with air and improve resistance to oxidation and corrosion. Solid ball bearings provide quiet, frictionless movement. 30 year life tested, drawer slide opens and closes smoothly over 100,000 times. Sturdy and RemovableMade of high quality cold rolled steel. Thickness: 1.2mm, twice the normal slider; Charge: 45 kg (100 LB), which is 1.7 times more than a normal slider. The slide rail is designed with a removable carabiner to easily remove the drawer by pressing it, making it easier to store and clean items. Installation GuideThis product is suitable for product length cabinet depth. Mounting space left of drawer: 0.5" (12.5mm), Right Mounting Space: 0.5" (12.5mm).