Sturdy Safety Lock: Our concealed door opener bolts are made of 304 stainless steel, which is strong and reliable enough for wooden doors. Easy Installation: With stainless steel screws, the stronger screws provide extra strength, can be firmly clicked and locked so as not to move. Stable Locking Lever: The door bolt locking lever is also made of stainless steel, it is dustproof and corrosion-resistant and will not rust, which can ensure safety for a long time. Concealed Anti-Theft: High-quality thick aluminum anti-theft. Specially designed latches are often used in one of the double-opening wooden doors, and they are also applicable to other wooden doors. Concealed Door Lock: No mechanical parts are visible in the door, and it is completely hidden when the door is closed. This discreet style is easy to use and matches your modern decor. Features： 1. Our door security bolts are made of solid 304 stainless steel, so they are corrosion and rust free, sturdy and durable. 2. Hidden style,