The Irwin Sabre Saw Blades cut all metals including non ferrous, pipe conduit, stainless and sheet metal. These metal cutting blades are suitable for use with materials 1.5 to 10mm (1/16 to 3/8 in) thick, dependent on the TPI of the blade. These blades have the following specification Blade Type Metal Cutting, 818R, 200mm x 18TPI.