It is made of all brass, with components such as the handle, lock core and lock tongue all made of copper. Brass has excellent wear resistance and corrosion resistance, and is not prone to deformation or fading even after long-term use. The surface has undergone meticulous treatment, presenting a fully black matte texture. It is both understated and stable, yet retains a sense of luxury. At the same time, it can effectively prevent fingerprint residue and keep the door lock clean and beautiful. Equipped with a silent lock body, it may have adopted magnetic attraction or other silent technologies. When opening and closing the door, it can effectively reduce noise, creating a quiet and comfortable home environment for users. It is particularly suitable for Spaces with high requirements for quietness such as bedrooms and studies. The door opening direction is universal. Both left-opening and right-opening doors can be installed. The compatible door thickness is 35-50mm, which can meet the installation requirements of most interior doors. It offers a variety of lock body types to choose from, such as anti-insertion lock bodies, etc., to enhance the anti-theft performance of the door lock. The lock core is made of copper material, which has good anti-picking and anti-drilling capabilities, ensuring the safety of the home. Depending on different usage scenarios, there are various styles available for selection, including those with keys and those without. You can also choose different functional types such as privacy locks and passage locks to meet the needs of different rooms like bedrooms and bathrooms.