" The three-part drawer slides can be fully extended, silently and without friction, the thick material is sturdy and durable, the drawer slides have self-closing and damping to prevent jamming, suitable for bedrooms, children's rooms, living rooms, kitchens, bathrooms and office furniture, ideal for drawer installations. Technical data: Quantity: 2 pairs (4 pcs) Material: cold rolled steel Type: Steel Ball Trolley Number of Sections: 3 Nodes Length: 300MM Extended Length: 600mm Width45mm Thickness: 1.2 * 1.2 * 1.5mm Capacity load: 35kg Size: 250 * 45 * 12.7 mm Weight: 2.02kg installation: side mounting Extension: Full extension > Advantages: Great stability. thanks to rolled work steel ` cold, no deformation when using. Thick material, sturdy and durable, no bending deformation With damping, soft closing to prevent pinching Frictionless push and pull, stable and quiet Separable inner rail ( tool-free drawer removal ) Cage Ball bearings with hardened steel balls, prevent drawers from being ejected Three-part, full extension, space saving Fine adjustment of clearance during installation, quick separation mechanism Easy to use, easy to insert and remove drawers Suitable for all types of drawers, wide possibility of use Package Content: 2 Pairs of Drawer Slides Tips: Screw Size: 4*16mm (Not Included) The length shown refers to the closed state. In the extended position, the total length is approximately twice as long. "