The OX Pro Aluminium Rafter Squares;12-Inch / 300mm and 7-Inch / 180mm, the ultimate tool for precision carpentry and layout work. Featuring scribe notches for precise 5mm markings, laser-etched measurements for enhanced accuracy, and metric markings with conversion tables. Crafted with extra-thick anodised aluminium for durability and a wide base for stability. Easy read leaser-etched markings provide excellent readability and twice the accuracy of stamped squaresMetric markings and conversion tables for rise and run application Extra-thick extruded aluminium body, anodised aluminium construction for durability (resists rust and corrosion) Easy to useBuilt with the trade professional in mind, the 180mm & 300mm Pro Series Rafter Square is the ultimate metric square for tradies 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