Features: With design of silent lock body,it can be silent and smooth when you use it. It uses wear and durable space aluminum material,which is environmental and safe. Most important point is that we use high quality copper to make lock cylinder. It is in security,burglar and not easy to get stuck. It has small body shape and is suitable for left and right handed doors. Door Lock With Matching Parts only,other accessories demo in the picture is not included!   Specification: Material: Space Aluminum Outer Package Dimensions: 28.5x6x9cm/11.22x2.36x3.54inch Color: Black Quantity: 1 Pc Note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!   Package includes: 1 x Door Lock With Matching Parts   1. Measure if the distance between two screws on the door panel is 235 m 2. Determine the thickness of the door (it responds to the thickness of the door) 3. Confirms the function of the handle (one life, double life, one live action) 4. Confirms the direction of opening the door (opens the door to the door of the reverse station.