- 6" rigid 4R machinist ruler is Titanium Nitride coated for extreme scratch resistance and ultra-high contrast
- 100% made in the USA by Products Engineering Company (PEC Tools), a premier US tool manufacturer
- It is made from the finest hardened and tempered steel
- 4R graduations are precision photos etched and show 32nds and 64ths on one side and 8ths and 16ths on the reverse
- Rigid rule is .750" wide and .035" thick. Both long edges are ground flat and straight
This precision machinist rule is made in the USA by Products Engineering Company (PEC Tools), a premier US tool manufacturer. It is coated with Titanium Nitride for extreme scratch resistance and ultra-high contrast. It is made from the finest steel available and is hardened and tempered. Graduations are precision photo etched and then black filled for easy readability. 4R graduations show 8ths and 16ths on one side and 32nds and 64ths on the reverse Rule is .750 inches wide and .035 inches thick. Both long edges are ground flat and straight.