Gihei HAP40 Petty 150mm.The Gihei HAP40 Petty is constructed using HAP40 PM semi-stainless steel as the inner core (hagane) with a tough outer layer (jigane) made from softer stainless steel. HAP40 is a really great steel for kitchen knives, especially when heat treated to 65-66 HRC. The heat treatment applied to Gihei blades is especially noteworthy. This combination results in a knife that takes a great edge and stays sharp through many long prep sessions. The Gihei company is located in Sanjo City and is one of the most innovative small blacksmith shops operating in the Prefecture.
Petty knives are small utility knives of Japanese design. They can vary significantly in both profile and size, going from 75mm to 210mm. Petty knives are very similar to the common western paring or utility knife and are adept at many small and detailed cutting tasks. They also excel at preparing garnishes and other artistic endeavors.
We love the way that Atsushi Hosokawa and his associates use the best steels and techniques, to the extent that we employ them to also make some of our signature Richmond blades. Partnering the fine blade is a lovely custom octagonal handle. Sweet looks, great performance, and a fair price combine to make this versatile petty and great value.
Blacksmith: Hosikawa San
Location: Sanjo City Japan
Construction: Laser Cut, San Mai
Edge Steel: HAP40
Weight: 2.4 oz/ 68g
Blade Length: 151 mm
Overall Length: 273 mm
Spine Thickness at Heel: 1.6 mm
Blade Height at Heel: 29.9 mm
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