About this item Features: [Soft-closing drawer slides] Safe and quiet, the drawers close automatically and slowly to avoid pinching your fingers. [Quantity: 1 pair (set of 2) You can choose the size of the slides according to the depth of the drawer. *The length of the slides should be ≤ the length of the drawer. Installation space: 12.5 mm (each) [Surface treatment by electrophoresis. The electrophoresis layer prevents the air from directly contacting the steel plates of the slides, which have been tested for more than 100,000 times of opening and closing, they are durable, and the normal service life of the slides is more than 30 years 【Mobility and softness】: There is a black plastic ring at the bottom of the back of the slide, which can be easily removed; by pressing the drawer, easy to install. Rubber pads to prevent push and pull collision during use, double rows of strong steel balls make the open drawer smoother and quieter. [Tips]: This product is made of metal, please protect your hands. It is recommended to wear gloves when installing. Specifications: Size: 4512 Normal section three sections = 8\" / 20cm Name: Buffer Rail three sections Application: drawers, cabinets, wardrobes Material: steel Manufacturing: Surface plating Color: black List: 1* drawer rail_HAHA