A steel square typically consists of a flat steel blade and a perpendicular steel handle. It has various features, including a right-angle feature, marked at 90 degrees, which allows for precise measurements and angles. It also often includes a 45-degree feature, marked at 45 degrees, for measuring and marking accurate diagonal lines or angles. Additionally, it may have a ruler or measuring scale along the blade, enabling measurements for length, width, or depth. Some steel squares may feature an adjustable sliding blade, allowing for versatility in various woodworking or construction tasks. Overall, the different features of a steel square make it a versatile and essential tool for precise measurements and marking in various projects.
