Sawzall Reciprocating saw blade, bi-metal, 12 in length, 5/8 in width, 0.035 in thickness, 10/14, precision teeth, 1/2 in tang, universal tang, high speed steel with 8% cobalt cutting edge, applicable materials: wood, nail embedded, aluminum, non-ferrous metal. Made with matrix II high speed steel teeth containing 8 percent cobalt to keep a sharper tooth edge longer. Faster cutting, longer life blades that can bend without shattering. This blade has a 1/2 inch universal tang that fits all sawzall and standard competitive saws. Applications: all woods, nail embedded woods, composition material, plastic, light gauge non-ferrous metals & aluminum; 5/8 in.With for higher flexibility.