For sales is one piece England made HSS Gear Hob Cutter:
brand: NORRIS
code: 30 DP 20deg PA 1st RH 1deg O-HA DG.1750 HS 18 depth 0.719 S3249
Bore ID, slotted: 1"
Viewing or Pickup welcomed at Wentworthville, NSW 2145.