Machinist Square 90º Right Angle Engineer 6'' Carbon Steel Measure Tool Description: Squares for machinist’s, engineer’s, designer or a model maker who need the right size tool for the small scale jobs to the large applications, this set covers it all. Squares come in a Plastic Storage Box, with foam insert. Ideal for the small model making or designing work, this is the right tool that makes it easier as a set up tool for table saw blade, jointer fence, to draw and mark the lines.    Tool will help you make the perfect 90º right angles on the design project, be it on Steel, Copper, Wax, Plastic and Wax. These are high quality tools, that are very well made and precise WITHIN +/- 0.1o. Premium Engineers Squares, all surfaces & edges are ground for high tolerance of  straightness & squareness.   Specification: Material:Carbon Steel Color:Silver Size:approx.160*60mm (1cm=10mm=0.39inch)