This full extension drawer slides can bear heavy weights and feature unique smoothly mute effect. For applications such as filing cabinets, desk pedestals and general storage drawers. soft-close function make the drawers closed without slamming shut. Enjoy opening and closing the drawers silently.The drawer slides can be rear mounted with the brackets on the framed drawers. Features - Color: Black. - Material: Stainless steel. - Size: 15.24 x 4.50 x 1.20cm/ 5.99 x 1.77 x 0.47 inch. - File cabinet rails constructed from stinless steel with black sealing painted surface finish, durable and attractive. - Slide rail with solid steel ball bearings design, mute and smooth for door opening and closing, brings you a quiet and comfortable time. - Damping buffer and double spring design with extremely smooth and self-close function, prevents drawer from slamming shut. - To adapt to all kinds of office furniture drawer cabinets and other medical machinery box wood or steel drawer. - Internal rail separation is simple and easy to install. Use on bedroom furniture, sliding cabinet doors, office cabinets, and bathroom cabinets. Package list: 2 x slide rail 1 x bag