Usage Tips:Robust safety lock: Our concealed door opener bolts are made of 304 stainless steel, which is solid enough and reliable for wooden doors.Easy installation: with stainless steel screws, the stronger screws offer An additional resistance, can be firmly clicked and locked so as not to move.Stable lock lever: The door bolt lock lever is also stainless steel, it is dust-tight and corrosion and rust, which can ensure safety for a long time.Concealed antitheft: Anti-theft in thick aluminum. Specially designed latches are often used in one of the double opening wood doors, and they are also applicable to other wooden doors.Concealed door lock: No mechanical parts is Visible in the door and it is completely hidden when the door is closed. This discreet style is easy to use and agrees with your modern decor.Features:1. Our door safety bolts are solid stainless steel 304 and are therefore corrosion and rustless, robust and durable.2. Hidden style, adapts to the races of the door, no mechanical parts are visible, completely hidden when the doors are in the closed position.3. Hidden anti-voltage loop, anti-theft thick alloy loop of . Special design door lock, easy to use.4. Easy to install, with stainless steel screws. The screws provide additional force to engage and lock firmly.Specification:Color: SilverWeight: 80g > Material: Stainless Steel 304Size: As shownThe package includes:2 x Concealed door bolts set (with screws)