Diablo's Steel Demon Carbide Teeth Reciprocating Saw Blades for Thin Metal are specifically designed to deliver 50X longer cutting life in thin metals versus standard bi-metal blades. These industry-first blades feature optimized designs translating to extreme performance in high strength alloys, cast iron and stainless steel less than 1/8 in. thick. Diablo's TiCo Hi-Density Carbide offers greater durability and cuttin performance. Perma-SHIELD non-stick coating offers heat resistance to help prevent gumming and corrosion in all cuts. Ideal for any project requiring a cordless or corded reciprocating saw.