Designed specifically for aluminum extension ladder locks, ensuring compatibility and ease of installation. Total length of the lock is 3 inches, with a mounting slot width of 1 inch on the outside and 5/8 inch on the inside. Replacement kit includes 4 flippers, 4 screws, 4 nuts, and 4 hardware components for a complete setup. Compatible with various models of extension ladders, including for , for , and for . construction suitable for both aluminum and fiberglass extension ladders, providing reliable performance. This Replacement Kit is an essential component for maintaining the functionality of your extension ladder locks. With precise dimensions and a comprehensive set of hardware, it ensures a secure fit and reliable operation. Ideal for both professional and DIY use, this kit is designed to enhance the and safety of your ladders. Color: As Shown Material: Metal+Plastic Package Contents: 2*29-1 Replacement Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.