Stainless Steel Security Door Chain Lock Heavy Duty Safety Guard with Screws Product information: This stainless steel safety sliding latch door chain guard is made from 304 stainless steel material using stamping technology, providing a high-quality feel with a smooth surface, corrosion resistance, and rust prevention. The anti-theft chain door latch is suitable for various door types and can be installed above or beside the door panel. Usage: This door chain lock is designed for hinged doors, allowing partial opening for safe viewing. The latch with chain enables you to open the door slightly to identify visitors or accept deliveries while maintaining security. Easy to install: The chain door guard works on both wooden and metal doors and fits a variety of door types. It can be mounted above or next to the door panel. The latch is simple to install and provides a secure fit. Includes four mounting screws—no additional hardware required. Package includes: 1 x Door Chain Note: 1. Due to differences in monitor displays and lighting conditions, the actual color of the item may vary slightly from the images shown. 2. Please allow 1–3 cm measurement deviation due to manual measurement. (1 inch = 2.54 cm)