Tsunehisa Hamono is a mid-sized knife manufacturer based in Tosa, Japan, known for producing high-quality Japanese knives at accessible prices. Each knife reflects the distinct steel choices and craftsmanship traditions of its region. The Tsunehisa brand is an initiative by renowned sharpener Shibata Takayuki, created to introduce exceptional Japanese knives to a global audience—without compromising quality or performance.

This Petty knife is expertly handcrafted and features a Ginsan (Silver #3) stainless steel core, clad in stainless steel using a San Mai construction. It showcases a refined Kasumi line and a subtle Nashiji finish, combining beauty with functionality. With excellent fit and finish, balanced handling, and an affordable price point, this knife is an ideal entry into the world of Japanese cutlery. The balance point is positioned near the top of the handle for precise control.

Specifications

• Origin: Tosa, Kōchi Prefecture, Japan

• Brand: Sakai Tsunehisa

• Knife Type: Petty

• Blade Construction: San Mai

• Grind: Double-edged (50/50)

• Core Steel (Hagane): Ginsan (Silver #3)

• Cladding (Jigane): Stainless Steel

• Hardness: 61–62 HRC

• Craftsmanship: Hand-forged, hand-ground, and hand-sharpened

Blade Details

• Finish: Nashiji with Kasumi polish

• Blade Length: 135 mm (5.3")

• Blade Height (at heel): 28 mm

• Spine Thickness:

  • Above heel: 1.6 mm

  • Middle: 1.6 mm

Handle

• Material: Red & Black Pakkawood

• Handle Length: 104 mm

Overall

• Overall Length: 251 mm

• Weight: 65 g (2.29 oz)

  Made in Japan

  Free lifetime professional sharpening