... blade Handle: Forged 430s/s hollow handle Durable in use (1)5-piece Forge Kitchen knife set.Chef knife 8", blade thickness, 2.5mm ... ", blade thickness, 2.5mm/Utility knife 4.5", blade thickness, 2.0mm/Paring knife 3.5",blade thickness, 2.0mm/Sharpener: Hollow ... from Japan or Germany AISI420J2 (HRC50+/-2) or Molibden-Vanadium (1.4116) (HRC56+/-2)Quality guarantee: ISO9001:2008, Hardness and dishwasher ...