- Use: Oire Nomi is the standard chisel used by workers who specialize in musical instrument making, door working, furniture making, and carpentry. - Material: These professional-grade chisels are made from high-carbon steel (White # 2 steel) laminated to low-carbon backing steel. - Blade Width: 21 mm. - Length: The overall length is approximately 216 mm (8.5"), Blade length is 60 mm / 2.36”. - Hardness: They harden to more than HRC 65 so they will maintain a sharp edge for much longer than a western equivalent chisel. - Handle: They feature red oak handles fitted with steel rings finished with a top of ready-to-use mushrooms.