Features: brand new and high quality High-quality zinc alloy: This lock is made of high-strength zinc alloy, which is durable and has a longer service life. The electroplating process is not easy to peel off the paint. The thickened copper lock body can open and close smoothly, and the lock body is rust and corrosion resistant. Adjustable solid-state lock: complex designed bolt, adjustable: 60mm (2-3/8 inches) or 70mm (2-3/4 inches) to adapt to different installation situations. for 35-53mm doors: support left and right hands to open the door. for 35-45mm thick doors, such as aluminum alloy doors, steel doors, old ball lock doors, etc. Wide application range: Quick installation door handle with lock and for key, suitable for home or business use, such as: bedroom, school, shopping mall, apartment, office. Specifications: Material: Zinc Alloy Weight: 800g Style: Round Black/Square Black/Square Silver/Square Bronze Package Includes: 1x Door Lock note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.