今井忠太郎作 二治弘 甲丸追入組鑿 鉄刀木柄 Nijihiro Komaru Type Bench chisels set Siamese cassia Handles by Chuutarou Imai

Nijihiro Komaru Bench Chisel Set | 10 Pieces | Echigo Sanjo

A refined 10-piece Japanese bench chisel set (komaru oiire-nomi) by Imai Chuutarou (今井忠太郎), a master craftsman from Echigo Sanjo — one of Japan’s most celebrated blade-making regions. The Nijihiro (二治弘) brand represents the pinnacle of Imai’s craft, combining traditional forging techniques with exceptional attention to detail.

Komaru Style – Rounded Back for Versatility

The komaru (甲丸) profile features a gently rounded back, making these chisels ideal for both paring and chopping — a versatile choice for joinery, furniture making, and fine woodworking.

Exceptional Craftsmanship

• Steel: White steel #2 (白紙二号) — prized for its razor-sharp edge and ease of sharpening
• Jigane: Modern soft iron (極軟鉄) — provides resilience and absorbs impact
• Ura (hollow back): Black finish & Triple ura — the hallmark of a premium Japanese chisel
• Handle: Siamese cassia (鉄刀木) — an exceptionally hard and dense tropical wood with a beautiful dark grain

Specifications

• Set: 10 pieces
• Blade widths: 42 / 36 / 30 / 24 / 18 / 15 / 12 / 9 / 6 / 3mm
• Full length: approx. 220mm
• Blade angle: approx. 28°
• Comes with: Paulownia wooden box (桐箱付)
• Origin: Echigo Sanjo, Japan

Perfect For

• 🪚 Master woodworkers seeking a complete set of premium Japanese bench chisels
• 🎌 Collectors of traditional Japanese hand tools
• 🎁 A one-of-a-kind gift for the discerning craftsperson

Once it’s gone, it’s gone — this is a one-of-a-kind piece.