Package include: 2 x Drawer Slider4 x Screw**3 sections telescopic design, ball bearing movement ,side mount.**Soft close mechanism adds a concealed piston to slowly draw the drawer smoothly and silently closed. Preventing drawers from slamming shut, stopping damages to drawers and keeping items from shifting within the drawers.**Quad ball bearing and triple slide construction produce outstanding full extension performance.**Cushioned feature for pick-up noise reduction.**Used in Office furniture, Cabinets, Closets, Kitchens.Specification:Main Color: Silver ToneSection Number: 3 SectionsMaterial: Stainless steelBearing: 30kgLength x Width: 20x4.5cmFull Extended Length: 40cmMount Hole Size:4mm