Features: / Automatic deadbolt, featuring a spring-loaded mechanism that allows for a smooth and effortless , ensuring the door latch securely locks in place. / Easy installation, equipped with three spacers of varying thicknesses, facilitating the adjustment of bolt and buckle positions on the horizontal plane during installation, making it convenient for any door or SASH setup. / Premium durability, the main components of this latch are constructed with high-quality aluminum alloy, ensuring long-lasting strength and sturdiness. The exterior finish is achieved through advanced spray coating technology, offering an array of color options to seamlessly match your SASH and doors. / Enhances security, providing an extra layer of protection for your doors and SASH, effectively deterring unauthorized access and bolstering the overall security of your space. / Versatile and reliable, this automatic door latch is designed to blend seamlessly into any home or office environment, offering peace of mind and convenience in safeguarding your property. Specifications: /Product Name:Square self-closing bolt /Material:Aluminum alloy /Size:47.5/22mm /Color:White，black，grey Package Content: 1 x Automatic latch Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.