Dies are made of HCS (high-carbon steel) for lasting durability. Hanson 6539 Die 7/16"-14 NC 1" Hex, for Tap Die Extraction.
6539 7/16-14 NC X 1" Hex Die Irwin Hanson Rethreading Carbon Steel USA
IRWIN IRWIN HANSON Screw Extractor and Drill Bit Set, 35 Piece, 11135 11135ZR
1-1/2-12 NF x 2.6" Hex Irwin Hanson 7275 Rethread Die Carbon Steel RH Irwin
5/8-18 NF x 1-1/4" Hex Die Irwin Hanson 7254 Rethreading CS RH
M22 X 1.5 Plug Hand Tap Irwin Hanson 1765 ZR 22MM RH Carbon Steel 4Flute Metric
1906 ZR 3/4"-14 NPT Taper Pipe Tap USA RH Irwin Hanson Carbon steel