13” and 7” beam square combo

Every Structural Steel Fabricator needs a set of these! A tool to help you strike a straight line inside of a beams flange. You can mark half inch increments, or mark a straight line on angle iron, c channel, W beam, S beam or really anything with a flange! They come in 7” which is good for 8” c channel or various beams and up. Or 3” and larger angle. And 13” which is good for w14 and up. Constructed of 304 stainless steel