Lenox Lazer reciprocating saw blade features high-quality bi-metal construction to offer shatter resistance. It has unique geometrical design that easily bends and offers better strength to resist breaking. Blade is 0.042 inch thick and measures 9 inch x 1 inch. It features 18 teeth per inch and minimizes whipping for straighter cuts. It has T2 technology tooth design to minimize friction and heat build-up during variety of metal cutting actions. Blade is ideal for use with copper pipe and black pipe of diameter 1/16 - 1/4 inch.