Replacement Parts: This product is a replacement part for storm doors. It is designed to fit Pella storm doors and is compatible with certain models. Dimensions: Bolts are 2-1/2 inches apart; Overall faceplate length: 8-1/2 inches; Installation screw holes: 7-5/16 inches (screws not included); PZ (center of handle to center of cylinder): 2-5/8 inches; Security: The lock is designed for storm doors and provides added security. It has a 2-point locking mechanism for added strength and durability. The lock is also operated using a hand control for easy access. Easy Installation: This product is easy to install. It requires a factory bored 1-9/16-in by 5-1/2-in mortised hole on the edge of the door. Screws not included. Quality: This product is made from high-quality materials and is designed to provide long-lasting performance. It is a reliable replacement part for storm doors and is compatible with certain models. Fit Pella 2-point bolt mortise lock body designed for storm doors. The bolts are positioned 2-1/2 inches apart. The overall faceplate length is 8-1/2 inches. Please note that installation screw holes are 7-5/16 inches apart, and screws are not included. The PZ measurement, from the center of the handle to the center of the cylinder, is 2-5/8 inches. Each lock is priced and sold individually.