HIGH-QUALITY MATERIAL: The Sewing Square is made of high-quality stainless steel, precision-crafted, rust-resistant, and deformation-resistant. The thick stainless steel material is not easy to break, wear-resistant, and durable. Overall, it is both beautiful and long-lasting, so you can use it with confidence. HIGH-DEFINITION MARKINGS: The red and black markings on the surface of the ruler make it easy to read the measurements. The clear engraved size and two-color reading design allow you to easily take internal or external measurements. VERSATILE: The right-angle ruler can be used for measuring, drawing, cropping, and more. Perfect for construction, woodworking, and other industries to make your work easier and more convenient. WIDELY APPLICABLE: This is used as a professional L-shaped ruler for woodworking, construction, or leatherworking. It's also the best gift for carpenter friends. Features -Stainless steel square ruler, precision engineer's measuring ruler, carpenter's