Flush bolt is great especially to jamb on French, patio, wood, double or other composite doors, offers concealed locking for dummy doors and inactive doors. Constructed from solid material, it's sturdy and reliable enough for residential daily using. This mechanism comes with reasonable interior design, do not worry about felling apart suddenly when using. With comfortable touching and concealed style, it will surely offer you enjoyable usage and perfectly finished to complement your decor. Recommend to purchase two for top and bottom of the door. Specification: Material: Stainless Steel Color: Gold Size: Length=8"(20cm), Width=0.79"(2cm), Depth = 0.67"(1.7cm) Available for: Composite,French, Dummy Doors Package Included: 2 x 8 Inch Door Flush Bolts 8 x Screws 2 x Strikes Installation Instruction: 1. Figure out where to install the flush bolt(usually on inactive leaf of double door opening) and drill grooves. 2. Install the flush bolt on the door leaf and tighten each screw. 3. Line up strikes on the door frame or on the floor and drill holes, then tighten each screw. 4. Close the door, put the pin into the hole, done. Flush 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 sturdy. 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.