Features Depth Measurement: The ruler features a wide measuring range of 5-40mm, ensuring accurate measurements for all your woodworking projects Versatile Application: Ideal for quickly setting up table saws and routers, this tool simplifies grooving and cutting tasks for enhanced efficiency Secure Locking Mechanism: The lockable design allows you to hold inside and outside sizes securely, making it easy to compare with other fittings Aluminium Alloy: Constructed from high-quality aluminium alloy, this depth measuring tool is resistant to deformation, ensuring long-lasting performance Compact and Lightweight: Its portable design makes it easy to carry for both indoor and outdoor use, providing convenience wherever you go Features: 1、Depth Measuring: The wide measuring range of 5？40mm makes the depth ruler suitable for accurate saw seam measurement. 2、Practical Using: Can be widely applied to quickly set up a table saw or router for easy grooving, cutting and so on. 3、Lockable Design: Able to lock inside and outside sizes and compare them to other fittings to simplify the . 4、Aluminium Alloy: Made of aluminium alloy material, which is not easy to deform and also very . 5、Simple Carrying: With compact size and light weight, the convenient carrying makes it suits for indoor and outdoor use. Specification: Item Type: Depth Measuring Ruler Material: Aluminium Alloy Colour: Red and Gold Measuring Range: Approx. 5 ~ 40mm / 0.2 ~ 1.57in Function: Can be used to measure saw seam. Package List: 1 x Depth Measuring Ruler Note: Please allow an error of 1？2cm in the manual measurement. Package List 1 x Depth Measuring Ruler