🔍 Measure Up to Excellence! Crafted to withstand the toughest environments, ensuring a lifetime of reliability. Join the ranks of professionals who trust Starrett since 1880. Manufactured with a satin chrome finish for exceptional durability. Perfect for machinists, toolmakers, and DIY enthusiasts alike. Experience unmatched accuracy with 4R graduation for quick readings. 4R Graduation 6" Blade Length Durable Steel Construction The Starrett Steel Inch Reading Double Square features a 6" blade with 4R graduation, designed for precision and built to last. Ideal for machinists, toolmakers, and DIY enthusiasts, this tool combines exceptional durability with a satin chrome finish, ensuring it withstands the rigors of any project. With a legacy of quality since 1880, Starrett is synonymous with reliable performance.