This product is a single sided deadbolt. It is made of solid materials. It is safe and durable. It without being easily damaged. It is an excellent single sided deadbolt that can bring you more convenience, allowing you to have comfortable experience. Features -Color:Black -Material:Stainless steel -Size:6.70X6.40X5.60cm/2.63X2.52X2.20in Hole distance: 38mm - Single sided door lock, smooth and quiet opening and closing, will not interrupt others. - Round shape, simple and elegant, can be used in different environment. - Multiple holes installation design, stable and sturdy, not easy to come off. - with solid lock bolt, noise reducing open and close, Brushed texture, great hand feeling. - Thickened stainless steel material, not easy to age, not easy to rust. Package list: 1 x handle 1 x bolt 2 plates 4 x screws