YENUO Push to Open Drawer Runners offer full extension with a durable, responsive push-to-open mechanism. These ball-bearing metal slides are designed for smooth and quiet operation, with a 30-year service life tested up to 100,000 cycles. The runners feature a detachable design for easy installation and cleaning. Constructed from 1.2mm high-density thickened steel with electrophoresis treatment for excellent anti-rust and corrosion resistance, they support a load capacity of up to 45 kg. Each runner requires a 12.5mm installation clearance on each side. This model is 350mm (14 inch) in length and offers full extension up to 706mm (27.4 inch). Suitable for drawers with an internal depth of 350-400 mm. Note: A 1cm buffer position is needed for drawers with outer covers to ensure the push-to-open function operates correctly.