LENOX Tools 21091106GR Gold Power Arc Demolition Reciprocating Saw Blade, For Demolition, Nail-Embedded Wood Cutting, 12-inch, 6 TPI, 5-Pack Delivers up to 2X longer life versus traditional straight LENOX reciprocating saw blades. The aggressive curved blade design optimizes the blade's angle of attack for faster cutting in a variety of materials. T2 Technology and a precision-applied titanium coating help dissipate heat, extending the life of the blades. Available for wood, metal, demolition, and extreme heavy metal cutting applications. 6 tooth per inch blades are best for use with thickest metals, general demolition, wood, plaster, drywall, plastic and composites. Made in the USA of global components.