Fein Titan Bimetal Coated Saw Blades fit most oscillating multi-tools and provide 4X longer life than standard High Carbon Steel saw blades. Designed with the Starlock blade mount system for fast, touchless blade changes, Titan Coated Blades are compatible with 95 percent of all multi-tools on the market. Titan Coated Saw Blades are tough, making them the right blade for renovation work. Titan Coated Saw Blades can cuts in sheet metal up to 2 mm, aluminum profiles, copper pipes, wood, plasterboard, plastics and more. They make precision cuts in all species of wood and cut through hidden nails, making them the best blade for multi-material work. Blade size - 1-3/4 in. X 2-1/8 in. , Qty - 10 Blades.