This isn't your flimsy plastic ruler. This is a serious stainless steel framing square, also called an L-square or carpenter's square. It measures 300mm by 200mm (that's 12 inches by 8 inches), giving you a solid tool for making perfect 90-degree angles and straight lines. The scales are stamped or laser-engraved right into the metal with both metric and imperial measurements, so they won't wear off, and there's a reverse reading scale to make marking quicker. It's made from tough stainless steel, so it won't rust and can take a beating on the job site or in the workshop. It's an essential tool for carpenters, woodworkers, welders, or any DIYer who needs precise layouts, checking for square, or marking cuts. Whether you're building a deck, framing a wall, or doing detailed craft projects, this square gives you the accuracy and durability you need. It's a fundamental, no-nonsense tool that belongs in every serious toolbox.