Disston E0406147 3-Inch Remgrit Carbide Grit Jig Saw Blades With T-Shank, Coarse Grit, 76mm The product is 3" Coarse Jig Saw Blade Easy to use The product is manufactured in United States Cuts extremely hard abrasive materials Cutting edge of tungsten carbide particles is permanently bonded to an alloy steel back Blades are high heat and abrasion resistance