describe: Features: 100% brand new, high quality, exquisite craftsmanship Material: The automatic door lock is made of optimized high-quality stainless steel, with high-temperature forging, polishing and brushed chrome plating technology, which is anti-rust, anti-corrosion and anti-deformation for many years. Multi-purpose: widely used in homes, offices, hotels, restaurants or other public places. Can be used to enhance the security of doors and windows. Installation: Door locks are a good choice for installation and removal. It features spring loading and tab pop-up as well as pre-punched mounting holes. Different styles: Suitable for different styles, whether you are pursuing modern simplicity or other styles, it can be the icing on the cake. Fashion: fashionable shape, elegant but not vulgar, unique but unstable, beautiful lines, focusing on quality. Specifications: Material: stainless steel Color: silver Function: Automatic latching Type: Square/round specifications Type: lingual side up/lingual side down square, about. 4.7x4.7cm/1.85x1.85in round: approx. 4.2x4.5 cm/1.65x1.77 inches Package Includes: 1x Door Auto Latch Kit Note: 1. Please allow 1-2 cm error due to manual measurement, please make sure you don't mind before ordering. 2. Due to differences between different monitors, the pictures may vary from reflecting the actual color of the item.