4Pack & 6Inch: You will received 4 pcs of double door lock, 8 pcs long screws, 8 pcs short screws and 4 pcs installation plates; SIZE: Length=6"(15cm), 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.Heavy Duty & Durable: These french door security locks are constructed of stainless steel, which have a great corrosion resistance and hardness, not easy to deform so that can last for a longer service time than other material locks.Easy Installation: These door lock latches come with anti-rust screws and surface strikes for easy installation. Users just need to pick the right place, and then screw up screws which will provide extra strength to interlock firmly so as to be immobile.Polished Surface: These double door locks have adopted a polished treatment which make it a shinning black surface, providing users a smooth surface without burr. this lever type with comfortable touching and concealed style will surely offer you enjoyable usage and match your modern decoration.Wide Application: The french door hardware are perfect for composite door, French, patio, wood, double or other doors. Our great small device features automatic holding spring to provide tension for both retracted and projected positions. They can be installed on inactive leaf of double door opening (top and bottom) to offer safety function. CYEAH 4 PCS Door Flush Bolt - 6 Inch Concealed Security Door Lock for French Doors, Composite Doors, Wood Doors, Double Doors, Dummy Doors, Black Brush Stainless Steel Finish. Product features: The flush bolts are all machined from solid stainless steel for anti corrosive and rustproof. Integrated design of the switch is easier for daily use, say goodbye to the one with "push just ride and slide" type. It is suitable for patio, wood, double or other composite doors, offers concealed locking for dummy doors and inactive doors. 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. Product specifications: Material: stainless steel Color: black Size: 6 Inch Available for: Composite ,French, Dummy Doors Package contents: 4PCS 6 Inch Door Flush Bolts 4 PCS Strikes 8 PCS long screws 8 PCS short screws Warm prompt: If you are not satisfied with the quality of our products, please let us know. I guarantee that you will be based on 100% barrier-free refund guarantee. Track Page Views WithAuctiva's Counter