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 that provides tension for both retracted and extended positions. It is commonly installed on the inactive leaf of a double door opening (top and bottom) to offer added safety. Our flush bolts are precision-machined from solid stainless steel, offering corrosion resistance, rustproof performance, heavy-duty strength, and long-lasting durability. 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 part of the flush bolt is reinforced with screws to enhance structural stability and smooth operation. Install on the inactive leaf of a double door opening. The integrated switch design is user-friendly and intuitive. Say goodbye to push-and-slide stylesthis lever-type flush bolt offers a more comfortable touch and a concealed, modern appearance that complements contemporary dcor. Easy to install, this flush bolt comes with rust-proof screws and surface strikes for convenient setup. Constructed from stainless steel, the screws provide added strength to ensure a firm engagement and secure interlock, keeping the door immobile when needed.