Material: made of stainless steel, strong and wear-resistant, not easy to deform, heat-resistant and rust-resistant, strong bearing capacity, can be used for a long time Size: extension full 300mm/12inch, max load capacity up to 30kg, side mount Super smooth and quiet: Constructed in a strong double row steel ball, the ball bearing action in steel is very smooth and quiet when closed and open. Built-in hydraulic rod to achieve damping effect Full extension and detachable drawer slides: 3-fold full extension, the opening provides access to the entire drawer. Easy control and secure fixing, separable inner slide Wide use: suitable for all kinds of drawers, desk pedestals, cabinet doors, keyboard stands, cupboards, cupboards, lockers, containers, etc. Number of pieces delivered: 1 pair