Freud DS0608BFD25 6-in 8/10-TPI Metal Demolition Reciprocating Saw Blade 25 PK The new Diablo Steel Demon Bi-Metal reciprocating blades with liquid metal technology delivers four times the performance of standard blades in a metal demolition application, Ideal cutting thickness 1/8 to 1/2-Inch Blade features Diablo's liquid metal technology which thru a sintering process liquefies and forms the edge under high temperatures for unmatched durability, Oversized demolition blade body give straighter cuts with less vibration Ideal cutting thickness 1/8 to 1/2-Inch These blades out perform standard blades four times in a metal demolition application. This all adds up to more cuts for your buck