The OX Pro Aluminium Rafter Squares set includes 180mm and 300mm squares, designed for precision carpentry and layout work. They feature scribe notches for precise 5mm markings, laser-etched metric measurements for enhanced accuracy, and metric markings with conversion tables for rise and run applications. Crafted with an extra-thick anodised aluminium body for durability and a wide base for stability, these squares resist rust and corrosion. The easy-to-read laser-etched markings offer excellent readability and twice the accuracy of stamped squares. The wide base ensures a secure hold on materials and assists with saw guide usage. Ideal for rapid precision marking at 45° and 90° angles, exacting technical angles like rafter layout, or scribing notches at 5mm increments. Built for trade professionals, these squares offer unmatched job site precision and tough dependability.