The three-piece drawer slides can be fully extended, quietly and without friction, the thick material is sturdy and durable, the drawer slides feature automatic closing and cushioning 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 knots Length: 300MM Extended length: 600mm Width45mm Thickness: 1.2 * 1.2 * 1.5mm Load capacity: 35kg Size: 250 * 45 * 12.7 mm Weight: 1.73kg Installation: side mounting Extension: Total extension Advantages: High stability thanks to cold-rolled work steel, no deformation during use. Thick material, sturdy and durable, no bending deformation With cushioning, soft closing to avoid pinching Push and pull without friction, stably and quietly Separable inner rail (removal of the drawer without tools) Ball cage with hardened steel balls, prevent ejection of the drawers In three parts, full extension, saves space Fine adjustment of the clearance during installation, mechanism of quick separation Easy to use, easy to insert and remove from drawers Suitable for all types of drawers, wide possibility of use Scope of delivery: 2 pair of drawer slides Tips Screw size4*16mmNot included The length shown refers to the closed state. In the deployed position, the overall length is approximately twice as long.