Features and Benefits:�Scribe notches from 25mm - 145mm�25mm cutout props pipe�High visibility laser etched markings�28.5mm heel�Precision machined extruded aluminumThe Milwaukee® 180 mm metric rafter square has a stronger frame and is the most versatile rafter square. It features scribe notches from 25 mm to 145 mm allowing for easy ripping of lumber. A 25 mm cutout helps prop pipe making it easier to cut on the job sites. A reinforced frame provides durability on the job site and high visibility laser etched markings make it easy to read.