I obtained precise measurements when accomplishing my assignments with this T-square, as it's graduate with 16ths on either side, so I could quickly consider measurements from all angles and sides. As its name indicates, a T-square includes a long ruler attached in a 90-degree angle to a wide, straight-edged head. https://marcoujxlw.onzeblog.com/28001041/an-unbiased-view-of-t-shaped-handle-90-degree-compression