General description SHUHANG Soft Close Drawer Runners provide a smooth and quiet closing mechanism for your drawers. Designed for heavy-duty use, these runners feature a double spring and pure copper damper, ensuring that your drawers close automatically and noiselessly. With a load capacity of 45 kg, they are built to withstand frequent use, making them an excellent choice for both home and office applications. Technical specifications Length: 300 mm Load capacity: 45 kg Lifetime: Over 100,000 openings and closings Installation space required: 12.5 mm x 2 on both sides of the drawer Installation Screws are included for easy installation. Ensure the installation space on both sides of the drawer is 12.5 mm. To remove the drawer, press the black plastic buckle located on the back of the sliding rail. Usage Designed for smooth and quiet operation. Recommended to wear gloves during installation to protect your hands. Other information Metal construction for durability.