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Made in Japan

Isamitsu Shirogami #1 / White Steel #1 Petty Knife 150 mm / 5.9" Hasu-Seizo Exclusive Special Edition

Color
Two Tone
One Tone

Experience unparalleled precision and elegance with the Isamitsu Shirogami #1 Petty Knife, a Hasu-Seizo exclusive. This handcrafted knife is designed for those who appreciate fine craftsmanship and top-tier performance in the kitchen.

Key Features

  • Blade Material: Made from Shirogami #1 (White Steel #1) Carbon Steel, prized for its razor-sharp edge and exceptional durability.
  • Blade Specifications:
    • Length: 150 mm (5.9")
    • Width: 40 mm
    • Thickness: 2 mm
    • Edge Type: Double Bevel, suitable for both right- and left-handed users.
  • Handle Options:
    • Two-Tone: A blend of maple and quince wood for a sophisticated touch.
    • One-Tone: Millettia wood for a minimalist, refined style.
    • Dimensions: 117 mm long, 25 mm thick for a comfortable and secure grip.
  • Weight: A balanced 115 g for smooth, controlled handling.

Ideal For

The perfect tool for slicing and dicing with precision, this petty knife is ideal for:

  • Small proteins.
  • Small to medium fruits and vegetables, including apples, oranges, carrots, broccoli, and garlic.

Craftsmanship Meets Exclusivity

The Isamitsu Shirogami #1 Petty Knife is meticulously handcrafted exclusively for Hasu-Seizo. Its longer blade and ergonomic handle make it a versatile addition to your kitchen, capable of handling detailed work and everyday tasks with ease.


Petty & Paring knives are small utility kitchen knives perfect for small proteins, fruits, and vegetables.

This knife maker hails from the Ibaraki Prefecture, just outside the Tokyo region. With two master blacksmiths, Isamitsu is a boutique company committed to crafting high-quality knives. They work with premium high-carbon steels like Aogami Super (Blue Super Steel), Shirogami (White Steel #1), and Aoniko (Blue Steel #2), paired with locally sourced woods such as maple.

Care Instructions

  • Avoid cutting bone or frozen foods, as this may cause chipping.
  • Hand wash only; do not use in a dishwasher.

Master the Art of Slicing. Embrace precision and artistry with this exclusive handcrafted petty knife!

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