Type: 20pcs 5x20mm Shelf Supports Pegs Studs. Fit For: Furniture Wooden Shelves Bracket, Dummy Plate High Quality: Made of nickel plated finish iron, integrated modeling, anti-rust, anti-corrosion, high hardness, strong load bearings, not easy to break, sturdy and durable to use. Use: This Shelf Support Pin is used to support a wooden or glass shelf in place. One end is fixed to the side wall of the furniture or walls. The other end parallel to the ground. Installation: Fit into equally spaced holes on bookcase or cabinet sides to produce adjustable shelf supports. 5mm diameter pins require a minimum 3/8 inch deep bore. Application: Used for furniture, especially wardrobes, cabinets, racks, bookcases, entertainment centers and so on.