Diablo's Steel Demon Carbide Teeth Reciprocating Saw Blades for Medium Metal deliver 50X longer cutting life compared to standard bi-metal blades. TiCo Hi-Density carbide provides cleaner and smoother finishes in strut, pipe, stainless steel and all other metals ranging in 1/16" to 5/16" thickness. An enhanced carbide tip-to-blade connection helps with extreme impact resistance and durability. An oversized 1" blade body provides straighter cuts with less vibration and chatter, helping users obtain more accurate cuts.