304 Stainless Steel Security Door Chain Lock Silver Key benefits Solid 304 stainless steel construction for longlasting use. Thicker chain and a thicker base improve durability and resistance to wear. Restricts door opening to allow safe contact with visitors and controlled ventilation. Simple installation and flexible mounting orientation to suit a variety of doors and frames. Features Material: 304 stainless steel. Color: Brushed silver. Other finishes available include brushed gold, red bronze, green bronze, and black. Design: Robust chain and reinforced base plate for reliable daily use. Installation: Two installation ways. Screw installation. Can be mounted vertically, horizontally, or obliquely to fit different door and frame configurations. Package includes: 1 x lock. Function and compatibility Acts as an additional security latch to limit door opening and help prevent forced entry while the main lock remains engaged. Compact footprint fits most standard doors, gates, and windows where a chain latch is appropriate. Suitable for residential and commercial use, including wooden and metal doors where screw mounting is possible. Use scenarios Home entry door: Allow partial opening to speak with delivery personnel while keeping the door restricted. Hotel or guest room: Provide an extra layer of security and privacy for occupants. Window or gate: Use on windows or smaller gates to allow ventilation while maintaining a physical barrier. Why choose this product Built from corrosionresistant 304 stainless steel for reliable performance in interior and sheltered exterior settings. Reinforced components extend service life compared with thin or lightweight chain latches. Flexible installation and mounting directions make it easy to fit a range of door types without major modification. What you get One stainless steel chain lock ready for screw installation.