[Compatibility] Our aluminum extension ladder locks are suitable for 24ft, 28ft, and 32ft aluminum extension ladders. These ladder accessories are designed to for D1200 and D1300 series extension ladders. [Product Dimensions] The ladder rung lock kit measures approximately 8 inches in length. (Please your current is 8 inches before purchasing.) You receive a pair of extension ladder rung locks (1 right-hand lock and 1 left-hand lock) along with a set of screws(including replacement parts) to meet your replacement needs. [Premium Aluminum Material] Made from high-quality Metal, our extension ladder locks are strong, , and to damage, ensuring a long lifespan. They remain reliable even after impact and wear. [Easy Installation] The extension kit is easy to assemble and remove-simply use tools to the old and install our Metal replacement. We recommend wearing gloves during installation to protect your hands. Color: As Shown Material: Metal Package Contents: 1 set x Extension Ladder Locks 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.