Genesis GAMT522 3-1/8-Inch HSS Segmented Saw Blade 3-3/8-Inch wide HSS Segmented Saw blade for continuous cutting in wood, drywall, plastic, copper, aluminum, other nonferrous metals and soft materials High-Speed Steel construction for reliability and strength cuts up to a 1-Inch depth 20 teeth per inch Primarily used for "Cutting" with your Oscillating Tool Genesis Universal Quick-Fit Oscillating Tool Accessories fit most standard AND tool-free oscillating tools, including the popular Genesis GMT15A