The riveted joint has large side washer and a stop which brings rule to a firm stop when opened straight.
- 3/4 in x 2 foot, 1/32 in thick, 1-fold, tempered steel rule
- Legible, permanent, deeply etched black markings
- Lower edge on one side graduated to 1/16ths
- Upper edge on other side to 1/8ths of an inch
- Lower edge has 75 degree circumference measurements in inches to 1/8ths for converting diameters directly to circumferential measurements
Item #: 86
