Overview

The Yu Kurosaki Senko Ei SG2 Petty 150mm with Rosewood Octagonal Handle is a fast, precise utility knife from one of Echizen’s most recognizable modern blacksmiths. Yu Kurosaki is known for bold hammered finishes, excellent grinds, and high-performance stainless steels, and the Senko Ei line captures that style beautifully with a bright tsuchime pattern over stainless cladding and an SG2/R2 powdered stainless core.

This 150mm petty is ideal for smaller board work, trimming proteins, slicing fruit, mincing shallots, cutting herbs, and handling prep jobs where a full-size gyuto feels too large. The “Ei” profile has a sharp, pointed tip that gives the knife excellent control for detail cuts, while the thin grind and light weight make it feel quick and responsive in hand.

SG2 steel is a major part of the appeal. It offers strong edge retention, excellent stainless performance, and the ability to take a very fine edge. Paired with a rosewood octagonal wa handle, this petty has a clean, traditional feel with the cutting performance expected from Yu Kurosaki’s Senko series.

Common Questions

Q: What is the Yu Kurosaki Senko Ei Petty 150mm best used for?

A: This petty is best for small to medium prep tasks like slicing fruit, trimming meat, cutting herbs, peeling, detail work, and smaller board tasks. It is a great companion knife to a gyuto, santoku, or bunka.

Q: Is SG2 steel hard to care for?

A: No. SG2 is a powdered stainless steel, so it is much easier to care for than reactive carbon steel. You should still wash and dry it by hand after use, avoid the dishwasher, and use a proper cutting board to protect the fine edge.

Q: Is this a good Japanese knife for professional cooks?

A: Yes. The Senko Ei Petty 150mm is light, sharp, stainless, and efficient, making it a strong choice for professional prep work. It is also approachable enough for serious home cooks who want a premium utility knife with excellent edge retention.

Specifications

Blacksmith: Yu Kurosaki

Region: Echizen, Fukui Prefecture, Japan

Line: Senko Ei

Knife Type: Petty / Utility Knife

Core Steel: SG2 / R2 Powdered Stainless Steel

Cladding Type: Stainless Steel Cladding

Construction: San Mai

Finish: Senko Hammered Tsuchime

Blade Length: 152mm

Overall Length: 280mm

Blade Height at Heel: 34mm

Spine Thickness at Heel: 2mm

Weight: 80g

Handle Material: Rosewood Octagonal Wa Handle

Hardness: Approx. 62-63 HRC

Edge: Double Bevel / 50:50 Grind