Bosch RCFP123-2 2-Piece 12 In. 3 TPI Carbide for Cement, Fiber and Plaster Board Reciprocating Saw Blade Individually welded carbide teeth for demanding applications 3 TPI tooth pitch clears debris for very fast results .039 In. body provides accuracy with flexibility to help prevent breakage Designed for cement board, fiber board and plaster Excellent for wall cutouts