General description Built with the trade professional in mind, the Ox Tools Pro Roofers Rafter Square (180mm) is the ultimate metric square designed for high accuracy and heavy-duty durability. Constructed from extra-thick anodised extruded aluminium, it features easy-to-read laser-etched markings, ensuring unmatched precision on the job site. This square is ideal for rapid precision marking at 45° and 90° angles, as well as for scribing notches at 5mm increments. Technical specifications Dimensions: 180mm Material: Anodised extruded aluminium Markings: Laser-etched, metric to the millimetre Features: Conversion tables for rise and run applications Base: Extra-wide for stability Usage Rapid precision marking at 45° and 90° angles Rafter layout and scribing notches at 5mm increments Can be used as a saw guide, for pitching roofs, and for protracting purposes Other information Weather resistant and rust proof Durable alloy construction Clearly visible white laser etched markings