Lenox master-grip reciprocating saw blade features durable tungsten carbide medium grit edge for clean cutting. Blade is 0.040-inch thick and measures 8 inch x 3/4 inch. It resists chip-forming and provides fast cuts without snagging or binding. Blade is ideal for cutting tough materials such as fiberglass, ceramic tiles, cultured marbles, clays, pipe, man-made stone and bricks. For cutting cast iron, fiberglass, ceramic tile, clay pipe, stone, brick, plaster and marbleTungsten carbide continuous edge grit particles makes cutting smoother and easier6150 alloy steel spring tempered backingRA 90-93 grit hardness3/4 in. width .040 in. thick8 in. length2 per card