The product is a high-quality 3/8-24 NF x 1" hex die manufactured by Irwin Hanson in the United States. 3/8" - 24 Nf.
5/8-18 NF x 1-1/4" Hex Die Irwin Hanson 7254 Rethreading CS RH
9/16-18 NF X 1-1/16" Hex Die Irwin Hanson 7249 ZR CS Carbon Steel Rethreading
1/4-28 NF X 1" Hex Die DWTHX1428 Rethreading Carbon Steel by Drill America
1"-12 NF x 1-13/16" Hex Die DWTHX112 CS RH Rethreading by Drill America
7/8-14 NF x 1-5/8" Hex Die 7263 Irwin Hanson CS RH Carbon Steel Rethreading
3/4-16 NF x 1-7/16" Hex Die Irwin Hanson 7760 CS LEFT HAND Rethreading
