This scraper multi tool blade works with your multifunction power tool to remove caulk, paint, adhesive residue, carpet, glue, tape and under-coatings with ease. The blade is made from carbon tool steel for durability and can be resharpened. The multi tool blade is designed with a universal arbor that fits Chicago Electric, Bosch, Craftsman, Dremel, Rockwell and Fein MultiMaster tools.