Spring door locks usually have the following characteristics: Automatic closing function: The spring door lock has a built-in spring mechanism, which can automatically close the door and ensure that the door can be automatically locked when it is closed, improving safety. Simple operation: Easy to operate, usually just push the door to the closed position, the spring mechanism will automatically take effect, the door will be locked without additional steps. Anti-theft and anti-skid: The spring door lock has a solid structure, which can effectively prevent theft and door prying, providing additional security. Durability: Made of high-quality metal materials, it has good durability and corrosion resistance, and can be used for a long time without damage. Easy installation: Easy installation, usually only need to fix the spring door lock on the door, and connect the door frame can be, without complex installation steps or special tools. A variety of styles: spring door locks have a variety of styles and sizes to choose from, suitable for different types and sizes of doors to meet the needs of different users. Beautiful and practical: The design is simple and generous, the appearance is beautiful, not only has practical functions, but also can play a decorative role to improve the overall beauty of the door. Wide range of application: spring door locks are suitable for a variety of places and uses, including homes, commercial buildings, public places, etc., to provide convenient door lock solutions. In summary, the spring door lock has the characteristics of automatic closing function, simple operation, anti-theft and anti-skid, durability, easy installation, a variety of styles, beautiful and practical and wide range of application, etc., is a common type of door lock, widely used in various door control occasions. Specifications: One piece Material: Aluminum alloy Model: Silver Package includes: a silver spring door lock with screws Please note :1. Please allow small measurement error. Because this product contains small parts, do not use children under 3 years old. If you are satisfied with our products and services, please leave a 5-star feedback, we will appreciate it. If the product you received is damaged or has other problems, please feel free to contact us. Please allow the quantity of the small parcel to be incorrect. The picture is slightly enlarged for your convenience, be sure to pay attention to the actual size, as it may be smaller than the representative photo