Disston E0101332 6 by 1 by .042-Inch Blu-Mol Xtreme Bi-Metal Demolition Reciprocating Saw Blades, Metal Cutting, 14 Teeth per Inch, 150 by 25 by 1.1mm Saw blades are wider and thicker and have been engineered for heavy-duty applications For cutting nail embedded wood, railroad ties and other tough materials Wider thicker blades for demolition work