SHUHANG Full Extension Drawer Runner: Quantity: 1 pair (2-pack) mounting screws included. Length: 250mm (10 inches). Installation Clearance: 12.5mm (each). Easy installation. It can meet the needs of various household drawers. Whether the slide rail should have soft close or push open functions long service life: which is durable and the normal service life of the slide rail exceeds 30 years. Made of 1.0mm metal, high quality cold rolled steel. Side mount design. Carrying capacity: 45 kg/100 lbs. Description of installation dimensions: 25mm space between drawer and cabinet wall required (left 12.5mm, right 12.5mm). Smooth zinc plated:Made from high quality cold rolled steel which is electro-zinc plated. Wear-resistant rubber pad., Rubber brake preventing automatic opening. Provides silent and frictionless movements when opening the drawer. Removable full extension: There is a buckle plastic on the back of the slide, and the drawer can be easily removed by pressing it, easy to install. 3-fold full extension drawer slides, so the drawer can be fully pulled out, which is convenient for storing items. Professional hardware maker:Drawer Runner slides 250 mm . You can choose the size of the rails according to the depth of the drawer. The length of the slide must be the length of the drawer. If there is a problem, contact us. Looking forward to have more business relationship with you.