Standard Pack = 1 piece(s). For extremely Hard abrasive materials, these reciprocating Saw blades feature cutting edges of tungsten Carbide particles bonded to alloy steel backs. Both high-heat and abrasion resistant, they have no teeth to dull or chip, and they cut on both strikes. They also resist snagging and always cut smooth. Coarse grit. Model Number: E0206112, E0206113, E0406123