Diablo steel demon, 2 pack, 9" 20/24 tpi, diablo steel demon, reciprocating saw blade, full body, specifically designed for maximum performance in metal demolition applications, bi-metal ultra hardened cutting edge, non-stick perma-shield coating, thick demolition body blade, dual tooth design features a double tooth configuration with small gullets for faster material removal & extra durability, for cutting steel & metal composites.