Starrett 281 American Standard Wire Gage, Hardened, Satin Finish, Numbers 0-36, 0.325-0.005" Diameter Range Diameter Range

This gauge is the generally accepted standard for non-ferrous metals as adopted by brass manufacturers. It is especially useful for electricians and others to gauge sheet, plate and wire made of non-ferrous metals like copper, brass, aluminum, etc. Screw slotting cutters are also made to this gauge. Gauge has decimal equivalents on the reverse side. Satin finish. Completely tested after hardening.