About this product: MATERIAL - made of high quality stainless steel, strong and sturdy, serve for long service life. USE - There is a button to prevent the chain from falling off, strengthen the anti-theft chain, just press the button behind the door to remove the chain, which is more secure. APPLICATION AREA - The chain is suitable for a wide variety of wooden and metal doors and can be used in houses, hotels, apartments, rental houses, etc. EASY TO INSTALL - The chain door guard can be used on wooden or metal doors on a wide variety of door types. It can be placed above or beside the door panel. This latch is very easy to install and is strong. ADVANTAGE - Using a thickened chain, strong and durable, can effectively prevent strangers from entering, prevent theft, and prevent children from leaving the house without permission. Product Description: Made of high quality stainless steel, sturdy and sturdy, serve for long service life. The sliding bolt provides a solid locking mechanism and can be used to secure the door. Provides enough strength and stability for any door. Functions: Material: stainless steel. Main color: silver colors. Chain length: 170 mm / 6.69 inches. Package includes: 1x chain door guard. 4x screws.