Hako-nomi Japanese Carving Chisel By Second Generation Konobu - 42mm the two sides of the

the two sides of the blade are concave to reduce the friction with the wood on both sides of the mortise when in use

This book has lots of great tool photos

and their design techniques

he would be at least 100 years old

Hako-nomi Japanese Carving Chisel By Second Generation Konobu - 42mm the two sides of theSmith name: Takiguchi Kiyo Steel: Blue Steel #2 Blade width: 42mm Manufacture Era: about 1990s (according to collectors memory) Blade Angles: 27 Total length: 245mm Neck length: 50mm Blade length: 45mm Types of wooden handlesJapanese White OakShirakashi Weight: 239g Accessories Additional Information: Lightly used, in good condition. The chisel comes from a retired carver from the Tokyo area. The direct translation of (Hako nomi) is box chisel, but it