Description: [Material] - The drawer slides are made of metal materials, which are moisture-resistant, corrosion-resistant, rust-resistant and wear-resistant, with high strength, good load-bearing capacity, sturdy and durable, and have a long service life. [Feature] - Two-section pull-out rails can pull out the entire drawer to the maximum extent and place more supplies; the double stop curve design effectively prevents over-pull-out; nylon wheels can reduce noise during daily closing and opening, creating a warm and quiet home environment for you. [Easy to Install] - The installation process is easy and simple. Just confirm the gap size between the drawer and the cabinet, then disassemble the slide rails, fix the slide rails on the holes of the drawer and cabinet respectively, and then push and pull for use. [Wide Application] - Suitable for installing or replacing various furniture drawer systems, such as bedroom drawers, kitchen drawers, office desk drawers, computer desk drawers, wardrobes, bedside table drawers and closets, etc. Specification: Material: Metal Color: White Total Size: 550 x 20 x 10mm/21.65 x 0.79 x 0.39inch(L*W*T) Screw Size: 4 x 16mm/0.16 x 0.63inch(D*L) Package Content: 4Pcs x Drawer Slides Bottom Mount 12Pcs x Screws