Bosch RS418-2 2-Piece 4 In. 18 TPI Carbide for Stainless Steel Reciprocating Saw Blade Bimetal blade with carbide strip welded to body Designed for use on stainless steel 5/64 In.- 5/32 In. 18 TPI tooth pattern formed in carbide strip for optimized cutting performance 039 In. body provides accuracy and resists breakage 2 piece pack