You are Buying Brand New And Factory Sealed Milwaukee 6 in. 5 TPI AX Carbide Teeth Demolition Nail-Embedded Wood Cutting SAWZALL Reciprocating Saw Blade (1-Pack).. Carbide teeth for 50X life over standard recip blades, Cuts wood, nails, screws, shingles, plaster, Durock, and more5 TPI for fast, efficient, aggressive cuts in nail-embedded wood...