Narex Czech Steel Professional Woodworking Cabinetmakers Mortise Chisel with Stained European Beech Wood Handle Sizes from 4 mm to 12 mm 811205-811212 (5 mm - 3/16") Made by a highly respected edge tool manufacturer in the Czech Republic Blades are made from fine-grained, nicely tempered chrome-manganese steel and hardened to Rc 59 Available in sizes from 4 mm to 12 mm Bevel ground at a 25 degree bevel Handles made from stained European Beech wood and have 2 steel ferruls