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 for both retracted and extended positions. It is commonly installed on the inactive leaf of a double door opening, at the top and bottom, to enhance safety. Our flush bolts are precision-machined from solid stainless steel, offering corrosion resistance, rust resistance, durability, and 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 double door openings. The integrated switch features a lever-type design for easy daily use. Unlike push-and-slide mechanisms, this flush bolt offers a comfortable touch and a concealed, modern appearance that complements contemporary decor. Easy to install and includes rust-resistant mounting screws and surface strikes. Constructed entirely from stainless steel, the hardware ensures strong engagement and a secure, fixed fit.