【High Quality Material】: The Aluminum Extension Ladder Locks are made from high-grade, durable aluminum to ensure strength and longevity. They are rust-resistant and can withstand harsh weather conditions, making them perfect for outdoor use. 【Safe Features】: These ladder locks come with a locking mechanism to prevent accidental slippage or movement, providing a secure and safe climbing experience. They are designed to hold the ladder firmly in place, ensuring maximum stability and safe while in use. 【Easy to Install】: The Extension Ladder Locks are easy to install and require no special tools. The package includes all necessary hardware and a detailed instruction manual to guide you through the installation process. 【Versatile Compatibility】: These locks are designed to fit most standard aluminum extension ladders. They are perfect for both professional and domestic use, ideal for construction workers, painters, and homeowners who need to perform tasks at height. 【Included】: You will receive 2 extension ladder locks. This extension ladder locks jaw will be stuck on the ladder firmly, and you can rising or landing freely. Specification: 10.4cm-13cm/4.09inch-5.12inch Package Includes: 2pcs Extension Ladder Locks Note: Please allow slightly errors due to manual measurement and different monitors.