H518 Sheet Metal Reciprocating Blades 2.0-3.5mm Flexible, general purpose reciprocating saw blade for clean cuts in sheet metal. Suitable for cutting steel, stainless steel, aluminium and copper (2.03.5mm). Making blade selection easy: Sutton Tools colour coded system enables easy selection removing frustration when searching for the right tool for your application. Applications: wood (red), Metal (blue), masonry (orange) & specialty (aqua). Thin kerf for flexibility and speed Made from Cobalt Bi-Metal HSS for flexibility, heat & break-resistance, lasting up to 10X longer than high carbon steel blades Teeth milled and wavy set for straight, fine cuts Made in Germany