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 applicationExtra-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 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 extra-wide base for stability and secure holds on timber and straight edges.Extra-thick extruded aluminium body, anodised aluminium construction for durability (resists rust and corrosion)Easy read laser-etched markings provide excellent readability and twice the accuracy of stamped squaresWide base ensures a secure hold on materials and assists with saw guide usageScribe notches for marking 5mm increments.