You are Buying a brand New And Factory Sealed Milwaukee 6 in. 8 TPI TORCH Carbide Teeth Thick Metal Cutting SAWZALL Reciprocating Saw Blade (3-Pack) Model # 48-00-5301..... Each tooth has 25% more carbide than leading carbide competitors. An optimized tooth design ensures these blades deliver extreme life in thick and extreme metal cutting applications. 1 in. tall for demolition 7 TPI for fast efficient cutting of thick and extreme metals Carbide teeth for longer life and greater versatility Fastest cuts in cast iron Cuts black pipe, angle iron, Rigid conduit, cast iron, stainless steel, high strength alloys and more Sharp, consistent carbide teeth Includes: (3) The TORCH with carbide teeth SAWZALL blades 6 in.