Flush bolt can be used to secure the opening for composite doors, French doors, patio doors, wood doors, double doors, or other types of doors. This compact device features an automatic holding spring to provide tension in both retracted and projected positions. It is commonly installed on the inactive leaf of double door openings at the top and bottom to enhance safety. Our flush bolts are machined from solid stainless steel, offering corrosion resistance, rust resistance, and durable, heavy-duty performance. Installing a flush bolt adds an extra layer of security to your home. Size: Length = 8 inches (20 cm), Width = 0.79 inches (2 cm), Depth = 0.67 inches (1.7 cm). The interior component is reinforced with screws to improve structural stability and smooth operation. Designed for installation on the inactive leaf of a double door opening. The integrated switch features a lever-type design that is easy to operate. Unlike push-and-slide mechanisms, this flush bolt offers a comfortable touch and a concealed profile, providing a seamless look that complements decor. Easy to install and includes rust-resistant screws and surface strikes. Constructed entirely from stainless steel, the hardware ensures strong engagement and a secure, immovable fit when properly installed.