Matsumura Japanese Blue Steel Bench Chisel - 15mm - 5/8" Matsumura Bench Chisel - 15mm - 5/8" Cutting edge of Aogami Hagane (blue steel) hardened to Rockwell C64 Handle of Akagashi (Japanese Red Oak) double hooped with hammered steel ring at top Overall Length: 9" - Blade length is 2" Ranked "Best Overall" in the Japanese Style Chisel category in Fine Woodworking 200 Chisel review