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 and rustproof, heavy duty and sturdy. Installing a flush bolt to make a addition to security of your home. Size: Length=6inch(15cm), Width=0.79inch(2cm), Depth = 0.67inch(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., Weight: 0.78043640748 pounds, Manufacturer: Kueohse