These chisels are manufactured by Narex of the Czech Republic and are of exceptional quality. The blades are made from fine-grained, nicely tempered chrome-manganese steel and hardened to 59 HRc. The blades take and hold an excellent edge. Bevels are ground at a 25 degree angle. Handles are lacquered European Beech and have two (2) steel ferrules to withstand vigorous mallet work. Blades have well seated steel tangs. Set includes the following chisels: Item # Blade Width Blade Length Handle Length Handle Diameter Total Length 810106 6mm 120mm 138mm 34mm 258mm 810108 8mm 122mm 138mm 34mm 260mm 810110 10mm 124mm 138mm 34mm 262mm 810112 12mm 126mm 138mm 34mm 264mm 810116 16mm 130mm 140mm 34mm 270mm 810120 20mm 134mm 140mm 34mm 274mm 810126 26mm 140mm 140mm 34mm 280mm 810132 32mm 146mm 140mm 34mm 286mm WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov