Ivy Classic single-edge razor blades are made in the USA of high-carbon steel for long-life and durability. Their precision-honed sharpened edge is designed for clean accurate cutting and scraping smooth surfaces. The blades are constructed of high-carbon steel and steel-backed for extra rigidity. Each blade is individually wrapped for safety. The blades fit Ivy Classic razor blade Scraper (11156) and all single-edge razor blade tools. The blades are ideal for scraping and cleaning paint and labels from glass, tile and metal. Blades are .009"Thick and come in two 5-Pack boxes. Ivy Classic Industries is dedicated to producing a comprehensive, quality line of power tool accessories and hand tools.