The three-piece 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 pair (4 pcs) Material: Cold rolled steel Type: Steel ball carriage Number of sections: 3 nodes Length: 250MM Extended length: 500mm Width45mm Thickness: 1.2 * 1.2 * 1.5mm Load capacity: 35kg Size: 250 * 45 * 12.7mm Weight: 1.44kg Installation: Side mounting Extension: Full extension Advantages: High stability thanks to cold rolled working steel, no deformation during use. Thick material, sturdy and durable, no bending deformation With damping, soft closing to prevent pinching Frictionless pushing and pulling, stable and quiet Separable inner rail (drawer removal without tools) Ball cage with hardened steel balls, prevent drawers from being ejected Three-piece, full extension, space-saving Fine adjustment of play during installation, quick separation mechanism Easy to use, easy to insert and remove drawers Suitable for all types of drawers, wide range of uses Scope of delivery: 2 pairs of drawer slides Tips Screw size 4 * 16mm Not included The indicated length refers to the closed state. In the extended position, the total length is approximately twice as long.