The package includes: 1 pair (2 pieces) of drawer slides and mounting screws (approximately 10 pieces). Material: The drawer guide is made of steel with an electroplated surface, offering excellent craftsmanship, a load capacity of up to 10 kg, and a long service life. Rail size: 310 mm in length, 17 mm in width, and 9.5 mm in height. Ball bearing design: Features built-in strong steel balls with a double-row configuration for smooth sliding operation. Widely compatible: Suitable for wooden drawers with a 17 mm groove, as well as wooden and steel drawers in cabinets, wall cabinets, furniture, file cabinets, bathroom cabinets, and other household or office furniture. 1 Pair (2 Pieces) Metal Drawer Slide Rail, Rolling Ball Bearing, Ball Bearing Slides, Drawer Slides, Ball Runner, 17 mm Drawer Runners, 310 mm Length Specifications: - Material: Steel - Size: 310 mm x 17 mm x 9.5 mm - Color: Silver - Quantity: 2 pieces (1 pair) The guide rail is constructed from high-quality steel with an electroplated finish for enhanced durability and longevity. Operates smoothly and quietly, allowing the drawer to open and close effortlessly. Features bidirectional sliding for convenient use and improved accessibility. Supports a maximum load of up to 10 kg. Note: Designed for installation on wooden drawers with a 17 mm groove. Compatible with wooden and steel furniture drawers used in cabinets, wall cabinets, office furniture, file cabinets, bathroom cabinets, and similar applications. Package includes: 2 x Drawer slides Note: Measurements are manually taken; please allow 13 cm variation. Due to lighting and display differences, slight color variations may occur. Actual product may vary slightly from images.