Genesis GAMT613 3-Inch Tapered Sealant Cutter 3-Inch Tapped Sealant Cutter blade for removing deep penetrating adhesives, caulking, silicone and other soft bonding materials up to 3 Inch deep Stainless Steel construction for smooth scraping and reliability Primarily used for "Scraping" with your Oscillating Tool Genesis Universal Quick-Fit Oscillating Tool Accessories fit most standard AND tool-free oscillating tools, including the popular Genesis GMT15A