Description: Stainless steel transmission structure with Stylish and elegant appearance Durable, all metal construction, bell interior locking door knob for bedrooms and bathrooms in satin nickel High-grade Copper Lock Core: Durable, non-corrosive, used for a long time. This lock would enhance security and safety or your privacy. Completely left and right hand door reversible. Easy installation with standard hole and complete accessories Stainless Steel spherical lock applicable to door, gate, study, privacy, bedroom, bathroom, storeroom, kitchen, office, school Specification: Material: Stainless Steel Ball-shaped Handle Diameter: approx.50mm/ 2 inch Overall Size: approx.184mm x 100mm/ 7.24 x 3.93 inch Latch Length: approx.50mm/ 2 inch Fit Door Thickness: approx.30mm-50mm/ 1.18 -2 inch Package Includes: 1 Piece Door Knob Lock 1 Piece Latch 3 Pieces Keys 1 Set Mount Accessories