Commonly used to convert ratios with scales when making precision drawings. Features 6 scales with colour-coded inserts. CNC-machined and laser-engraved for accuracy. Black anodised finish for enhanced corrosion protection. Triangular profile keeps fingers...

Set comprising of a 12" and 7" square. The 12" square functions as a framing, try and mitre square as well as protractor, saw guide, stair gauge and out-of-square corner angle finder. The 7" square can be used as try or mitre square, saw guide, line scriber...