Cuts all metals including non ferrous, pipe conduit, stainless and sheet metal. Suitable for use with materials 1.5 to 10mm (1/16 inch to 3/8 inch) thick, dependent on the TPI of the blade. These blades have the following specification: Blade Type: Metal Cutting, 818R, 200mm x 18tpi. The Irwin IRW10506426 Sabre saw 818R metal cutting blades (200mm) comes in a pack of 2 with 18TPI. IRW10506426