Narex Czech Steel 3 piece set 6 mm, 10 mm, and 12 mm Mortise Chisels Made by a small tool manufacturer in the Czech Republic Blades are made from fine-grained, nicely tempered chrome-manganese steel and hardened to Rc 59 Contains the following sizes: 6 mm 10 mm and 12 mm Bevel ground at a 25 degree bevel. Handles made from stained European Beechwood