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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 outer layer (jigane) made from a 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 semi-custom octagonal walnut handle and maple ferrule. Sweet looks, great performance and a fair price combine to make this versatile petty and great value.
Edge Length: 152mm
Height: 30mm
Spine Thickness: 1.6mm
Steel: Hap40 Semi Stainless
Weight:2.8oz
HRC: 65-66
Handle: Walnut Octagonal
Ferrule: Maple
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 semi-custom octagonal walnut handle and maple ferrule. Sweet looks, great performance and a fair price combine to make this versatile petty and great value.
Product Reviews
Great knife, May 2, 2019Posted By: M Leonard - verified customer
This knife out of the box was about a 6 out of 10 but a little sharpening and this little petty is awesome. Handle was a little rough on the feel but put a little mineral oil on it and it’s much better. It’s very light and very durable. Excellent overall. CKTG is my go to!
This knife out of the box was about a 6 out of 10 but a little sharpening and this little petty is awesome. Handle was a little rough on the feel but put a little mineral oil on it and it’s much better. It’s very light and very durable. Excellent overall. CKTG is my go to!
Great in every way, December 25, 2018Posted By: GaryT
This knife feels great in the hand. I found it easy to manipulate through anything. It looks great. The finish is beautiful. The handle looks great. I did sharpen it a tad more and it is unbelievable. Every knife I get from CKTG I think becomes my favorite. The same is true of this petty knife. Big enough to handle most jobs and small enough to be nimble. I like it !
This knife feels great in the hand. I found it easy to manipulate through anything. It looks great. The finish is beautiful. The handle looks great. I did sharpen it a tad more and it is unbelievable. Every knife I get from CKTG I think becomes my favorite. The same is true of this petty knife. Big enough to handle most jobs and small enough to be nimble. I like it !
Gihei HAP40 Petty 150mm, August 31, 2018 Gihei HAP40 Voodoo Steel , June 21, 2017Posted By: Brent - verified customer
1 people found this review helpful
This knife is an amazing little petty. I like the profile, and I LOVE the steel~! OOTB sharp, but takes and holds a wicked edge. It is easy to see why some call HAP40 steel 'voodoo steel''. The blade is very thin and light, the walnut handle and maple ferrule are a great match as they are lightweight and nicer than a plain Ho handle. However, I personally find the handle to be a bit large for the blade - a smaller diameter handle would allow for a more nimble and adept use for a petty, in my opinion. Overall a great purchase from a great company, thank you CKTG~!
1 people found this review helpful
This knife is an amazing little petty. I like the profile, and I LOVE the steel~! OOTB sharp, but takes and holds a wicked edge. It is easy to see why some call HAP40 steel 'voodoo steel''. The blade is very thin and light, the walnut handle and maple ferrule are a great match as they are lightweight and nicer than a plain Ho handle. However, I personally find the handle to be a bit large for the blade - a smaller diameter handle would allow for a more nimble and adept use for a petty, in my opinion. Overall a great purchase from a great company, thank you CKTG~!
Really nice, September 14, 2016 Awesome Knife, December 11, 2015Posted By: Sam - verified customer
1 people found this review helpful
Reading Mark's comments on the HAP40 steel, I decided to buy one of these Giheis.It absolutely glides through anything I have cut with it so far. I haven't pushed it hard,but it has been holding the sharp edge perfectly so far. The handle works well, and islarge enough for "mid western" hands. The edge shape works very well in the averageslicing motion. The narrow profile and optimal satin finish help it glide through foodswith almost no friction. The OTB edge is satisfactory. I have been working on optimizingmy sharpening skills using the Wicked Edge sharpening system. The edge I put on thisknife with the Wicked Edge system is unreal. Using the ceramic stones to fully polish thebevels further reduces cutting friction to almost nothing. Holding the knife with two fingersis all that is needed for slicing through a thick steak. I have sampled a variety of steelsand knife brands for my sharpening education project. I have no need to look further nowthat I own a Gihei.
1 people found this review helpful
Reading Mark's comments on the HAP40 steel, I decided to buy one of these Giheis.It absolutely glides through anything I have cut with it so far. I haven't pushed it hard,but it has been holding the sharp edge perfectly so far. The handle works well, and islarge enough for "mid western" hands. The edge shape works very well in the averageslicing motion. The narrow profile and optimal satin finish help it glide through foodswith almost no friction. The OTB edge is satisfactory. I have been working on optimizingmy sharpening skills using the Wicked Edge sharpening system. The edge I put on thisknife with the Wicked Edge system is unreal. Using the ceramic stones to fully polish thebevels further reduces cutting friction to almost nothing. Holding the knife with two fingersis all that is needed for slicing through a thick steak. I have sampled a variety of steelsand knife brands for my sharpening education project. I have no need to look further nowthat I own a Gihei.
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