The Tolsen stainless steel ruler is a reliable measuring tool crafted from 2Cr13 steel, which helps it resist wear and corrosion during regular use. This specific 1000mm (40") model, featuring a width of 32mm and a thickness of 1.5mm (35030), is the longest option available for your project needs. The ruler features dual scales in both metric and inch measurements, allowing you to switch between different standards without needing a second tool. Packaged in a PVC bag with a color label, it is a practical choice for students, hobbyists, or professionals who require a sturdy, straight edge for precise marking and measuring.