Security High quality automatic door locks provide additional security for doors and windows. Adding the lock once can improve the safety. MaterialMade of aluminum alloy, stable and durable, not easy to rust. The special design makes the appearance different from the traditional lock and improves the safety. Design The appearance is exquisite and simple, welded and sealed, the base is thickened and reinforced, and the built-in automatic spring is is not easy to break and deform, and it is strong and durable. Easy Install Aluminum bolts, spring type rebound pull ring, easy to install. High quality door bolts can improve the security of doors and windows. Applicable SceneUsed in family bedrooms, doors, garages, gardens, bathrooms, closets, kitchens, pantries, hotels, etc. to save space and organize your space neatly. Size: 4.3*4.2cm Packing list: 4 door latches (including screws)