Thanks for Choosing Preciva Carpenter's Square--180mm or 300mm ! The Preciva Woodworking Multi-Purpose Tripod offers you a wide range of useful functions. Its design makes it easy to draw 90 angles, balance lines and vertical lines, as well as having a drill positioning function for your woodworking projects.Included inside this set are two triangles, 300mm and 180mm, ensuring a sufficient range of sizes to meet the needs of different workplaces. Whether you're carrying out woodworking drawings or drilling work, it's a practical tool that adds more convenience and precision to your woodworking projects. 300mm+180mm Two-Piece Triangle Ruler This set includes two rulers: one is 300mm (12 inches) long, which is ideal for extensive measuring and drawing tasks, while the other 180mm (7 inches) is more suitable for smaller work tasks.
eBay