I received precise measurements when accomplishing my assignments with this particular T-square, as it is actually graduate with 16ths on each side, so I could simply just take measurements from all angles and sides. A T-square, also called a folding square, is a chunk of equipment used in technical graphics. https://ignacyu219adg2.thekatyblog.com/27376560/how-height-adjuster-can-save-you-time-stress-and-money