These chisels are produced from hardened chrome steel. The blades are etched with the size for identification. The end of each chisel is designed with a steel strike cap. Features & Benefits Hardened, tempered high-chrome alloy steel blade for edge retention. Thru-tang steel core for durability. Precision ground blade accurately sized and etched with blade size. Ergonomic, bi-material grip on handle is shatter resistant. Steel striking cap for use with steel-head hammers. Accessible packaging with blade guard can be mounted to wall for storage.