Features

Boasting a striking design, KATSU ZK04 includes a front handle crafted from Copper Foil Carbon Fiber and a Titanium Alloy back. This material combination emphasizes its unique appearance and offers great durability and lightweight performance, ensuring an exceptional user experience.
17 layers ZDP-189 Super Steel. ZDP-189 is a Japanese Super High-end Stainless Steel. It’s one of the latest developments in PM (Powder Metallurgy), offers extreme hardness, corrosion resistance and wear resistance. With a maximum hardness of 67HRC, the steel can offer a great hardness that’s going to result in an exceptional Edge Retention!
Japanese traditional convex grind (Hamaguri-ba) finished blade shows amazing toughness and resistance to edge chopping.
Frame Lock provides assurance that the blade will stay in place while its open, and easy one-hand closing.
Heat treatment certification from HATTA KOGYO CO.,LTD in Japan.

About its blade

If you notice some special "speckles" on the top layer of your ZK04 blade, please rest assured, these are not residual stains. The KATSU ZK04 blade is crafted from 17-layer ZDP-189 super steel and meticulously hand-finished by seasoned craftsmen. These "speckles" are a characteristic feature resulting from the hand-finishing process of this material.

If you are unfamiliar with this material and craftsmanship, please visit this post "The Artistry Behind KATSU ZK02 Blades" or "About the blade of KATSU ZK02" for further information.

Each KATSU KNIVES undergoes rigorous inspection before shipping, so the KATSU ZK04 you receive is unquestionably of superior quality. We have immense confidence in this.

Specifications

Overall Length	8.07 inch / 205 mm
Closed Length	4.6 inch / 117 mm
Blade Length	3.5 inch / 889 mm
Blade thickness	0.157 inch / 3.9 mm
Blade Material	17 layers ZDP 189 super steel
Handle Material	Front: Copper Foil Carbon Fiber Back: Titanium alloy
Item weight	3.87 oz / 110.5 g

Box Contains

1 x KATSU ZK04
1 x Wooden gift box
1 x Cleaning cloth
1 x Heat treatment certification card

KATSU ZK04, 17 Layers ZDP-189 Super Steel Convex Grind Blade, Carbon Fiber + Titanium Alloy Handle & Clip, Frame Lock, Wooden Gift Box