Stainless steel concealed door bolts for French doors - 2pcs 8 inch security locks with hardwareFlush bolt can be used to secure the opening for composite door, French, patio, wood, double or other doors. This great small device features automatic holding spring to provide tension for both retracted and projected positions. It often be installed on inactive leaf of double door opening (top and bottom) to offer safety function.Our flush bolts are all machined from solid stainless steel for anti corrosive and rustproof, heavy duty and durable. Installing a flush bolt to make a nice addition to security of your home.Size : Length=8"(20cm), Width=0.79"(2cm), Depth = 0.67"(1.7cm). The interior part of the flush bolt is reinforced by screws to enhance stability and fluency of the structure. Install on inactive leaf of double door opening.Integrated design of the switch is easy for daily use, Say goodbye to the one with "push just ride and slide" type, this lever type with comfortable touching and concealed style will surely offer you enjoyable usage and match your modern decoration.Easy to install,comes with rust-proof screws and surface strikes for installation. Constructed from stainless steel, screws will provide extra strength to engage and interlock firmly so as to be immobile.