SharpEdge ZDP-189 Bunka Kitchen Knifesearch

SharpEdge ZDP-189 Bunka Kitchen Knife

SharpEdge ZDP-189 Bunka Kitchen Knife

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High-Performance Steel, Utilitarian Blade Shape

ZDP-189 is a specialty steel typically reserved for high-end pocket knives. Here it plays the starring role in a Western-style kitchen knife inspired by Japanese tradition. Made up of 3 percent carbon and nearly 20 percent chromium, the steel will stay sharp cut after cut, but it won’t corrode or rust when put to the test (as long as you clean and dry it properly). The steel is laminated with multiple layers, and the outer layers protect the core steel from corrosion and other external factors. These outer layers also make the knife less prone  to breaking, compared to a mono steel clad. The handle, made from strong walnut wood, has an octagonal shape for a comfy hold. The blade’s shape lends itself to fast chopping, but the gently designed belly is suitable for long and short cuts, too. When you’re not using the knife, stowe it in the included custom-made beech wood saya.

Note: Due to the sensitive nature of shipping knives internationally, we can only ship this knife to select countries. It is the responsibility of the buyer to know and comply with all importation regulations and local laws. Click here for additional information.

See It in Action


  • SharpEdge
  • Blacksmith: Yoshida Hamono
  • Blade shape: Bunka
  • Blade steel: ZDP-189 stainless steel
  • HRc: 65–67
  • Handle: Japanese walnut wood
  • Blade height: 2 in (5.2 cm)
  • Spine thickness: 2 mm
  • Blade length: 7.5 in (19 cm)
  • Handle length: 4.9 in (12.5 cm)
  • Overall length: 12.8 in (32.5 cm)
  • Weight: 5.5 oz (155 g)
  • Hand washing necessary


  • Custom beech wood sheath


All orders will be shipped by Massdrop.

Estimated ship date is Dec 7, 2018 PT.

After the drop ends, payment will be collected and the group’s order will be submitted to the vendor up front, making all sales final. Check the discussion page for updates on your order.