KOSHIMITSU brand Japanese Dovetail Chisels hand-forged
These dovetail chisels are hand-forged by Master Matsumura in Yoita, Niigata Province, Japan. The blade is a laminate of White Paper Steel, the best available for a very fine cutting edge, with a backing of iron to strengthen the chisel.
Master Matsumura at work.In this photo, one can see the faces of the chisels in the 3 mm, 15 mm and 30 mm sizes.
Here one can see the back or mirror side of the dovetail chisels in 15 mm, 30 mm and 42 mm. There is a single hollow in the chisels up to 24 mm wide. The larger sizes have a double hollow.
One can see here that the tang and grip are slightly offset, like most other Japanese chisels. This is an advantage when cutting deep mortices, for instance, as one can cut much deeper than the length of the chisel blade would suggest. One can easily and accurately cut, with a 65 mm long blade like this one, a mortice up to 120 mm deep.
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