NIUNIU HIGH QUALITYThe door chain is made of high-quality stainless steel, the surface is brushed, not easy to rust, not easy to fade to ensure that it does not rust and has a long service life. The stainless steel safety sliding door lock chain is made of 304 stainless steel. It has The texture surface is smooth, corrosion-resistant, and prevents raw iron rust; the anti-theft chain latch can be used in many types of doors and can be placed above or beside the door panel. STURDY AND STABLEThe safety door chain lock is made of high-quality stainless steel, which is strong, durable, and does not rust; similarly, the thickened and widened chain and panel make the door lock very strong, with gaps between the chains; add protective leather After the sleeve, it can effectively protect children's fingers and prevent children from being injured when they play the anti-theft chain out of curiosity; it can also prevent thieves from opening the door. WIDE USEA door chain lock for revolving doors that can open the passage to ensure safety. The chain latch allows you to partially open the door to identify visitors or receive packages. The chain is suitable for all kinds of wooden and metal doors. For houses, hotels, apartments, rental houses, etc. EASY TO INSTALLThe latch is very easy to install and firm. The chain door guard can be used on various types of wooden or metal doors. It can be placed above the door panel by using the four mounting screws provided. Or on the side, the latch is very easy to install and strong. SUPER SECURITYYou can unlock the door chain lock from the inside, but not from the outside, making you safer at home, the edge has a round shape, it is not easy to hurt your hands when opening or closing the door, and the wall groove The rough surface increases the fixing force between the chain and the door, making it stronger. Others cannot open the chain by reaching out from the outside. Quantity: 1pc Color: silver, there is a color difference between the real object and the picture Size: see picture for detailed size