<p>The brass positioning block can be adjusted to the position you want, then just tighten the screws, easy to use. Can be used on all types of steel ruler. A good measuring tool for all types of woodwork. It's easy to put on and take the measurement and transfer it as you like. Once set, you can draw an infinite number of times. The brass positioning block can be adjusted to the position you want, then just tighten the screws, easy to use. Can be used on all types of steel rulers. With the steel ruler, all measuring jobs can be carried out with high precision within a measuring range Compact and lightweight, with a fully removable fence, the Wfix marking tool is a simple and effective measuring and marking tool for professionals and enthusiasts of woodworking, crafts, DIY projects, etc.</p> <p>Note: The data are all manual measurement, please allow 1 error - 3cm, due to the difference in light and display, there will be a certain color difference, depending on the physical object received.</p>