3 section slide with auto soft close keep your room slient and better touches Two rows of steel balls is used on both side of the slides, and the ball bearings ensures smooth opening and closing Damping buffer, slowly closed, to achieve the quiet effect Make from stainless steels, Rusts resistant, wear resistant, strong and enduring Our drawer slides is fit with detachable snapping for easy installation or removal of the drawer slides, Manufacturer: AMISENK