29 Jul Starrett 36″ Steel Rule No. C604R Machinist Ruler 4R Graduation Tempered USA
: 4R (1/8", 1/16", 1/32", 1/64"). : Hardened / Tempered Steel. affecting its use. All etched graduations and text remain crisp, clear, sharp, and perfectly legible. : 36 in (3 ft). Condition Note....