Built with the trade professional in mind, the 300mm Pro Series Rafter Square is the ultimate metric square for trades demanding high accuracy and heavy-duty durability. Constructed with extra-thick anodised extruded aluminium and easy-to-read laser-etched markings, this square offers unmatched job site precision, tough dependability and resistance against rust and hard knocks. Ideal for rapid precision marking at 45° and 90° angles, exacting technical angles like rafter layout, or scribing notches at 5mm increments. Featuring metric markings to the millimetre, conversion tables for rise and run application and an extra-wide base for stability and secure holds on timber and straight edges. The OX-P506530 300mm Pro Aluminium Rafters Square Metric is ideal for tradespeople looking to work with precision. Although with its easy-to-read laser-etched marking, that provide twice the accuracy of stamped squares, DIY enthusiasts will also benefit. This product benefits from metric markings and conversion tables for rise and run application and an extra-thick extruded aluminium body, anodised aluminium construction. For precision and durability, The OX-P506530 300mm Pro Aluminium Rafters Square Metric offers a lot to professionals and amateurs alike.