Check the listing for details. 100mm 50/50 Solid Brass Lock Cylinder with Mounting Screw and 8 Keys. Condition: New. Listed at 25.16 USD. 【Safe & Durable】: Made of durable solid brass, the double lock cylinder is wear-resistant, corrosion-resistant and not easy to rust and deform, which is equipped with a safety pin inside for enhanced security. Measuring 100mm (50/50) / 3.94" in length, 32mm / 1.26" in height, 9mm / 0.35" in thickness, and 16mm / 0.63" in diameter.【Wide Application】: With longer service life, brass cylinder lock is self-lubricating, making the door easy to open, which is suitable for wooden doors, aluminum doors, storm doors and patio sliding doors, which is widely used in homes, offices, warehouses, garages, balconies and other places.【Easy Install】: Storm door lock cylinder is easy to install, simply remove the old lock cylinder, insert the new brass cylinder, and secure it with screws to complete the installation.