You are Buying a brand New And Factory Sealed DIABLO Model #DS1208CF3, 12 in. 8 TPI Steel Demon Carbide Reciprocating Saw Blades for Thick Metal Cutting (3-Pack).. The Diablo Steel Demon Carbide-tipped reciprocating blades are the first carbide-tipped blades designed for extreme metal cutting; including high strength alloys, cast iron and stainless steel. This high performance carbide-tipped blade delivers unmatched 50 times longer cutting life than standard bi-metal blades in extreme thick metal cutting applications between 3/16 in. to 1/2 in. The increased blade body height produces straighter cuts with less vibration. Up to 10% savings when purchasing this 3-piece pack. High performance carbide for greater durability and cutting performance in thick metal Enhanced carbide tip to blade connection for extreme impact resistance 1 in. oversized blade body for straighter cuts with less vibration Perma-SHIELD non-stick coating for less heat and friction Ideal for cutting stainless steel, cast iron and other high strength alloys Red reciprocating saw blades are a registered trademark of Freud America, Inc. Compatible with all corded and cordless reciprocating saws Steel Demon blade ideal for thick metal cutting 3/16in-9/16in Carbide teeth for 50x longer life vs. standard bi-metal blades.