This scraper set is made in Sheffield England by Crown Hand Tools. They measure 2-1/2" x 5" and are .032 inches thick and are made of medium carbon steel with a hardness of 40/42 Rockwell C. This specification gives good edge retention while allowing the "spring" or "flex" in the blade which gives the user control of the tool.
This is a high quality set that will last a lifetime. The scraper edges are milled and not stamped which will speed sharpening.