Disston E0102857 Blu-Mol Bi-Metal Hack Saw Blades, 18 Teeth Per Inch, 10 x 1/2 x .025-Inch, Sold In Cards, 2 Units/Card Designed for heavy duty cutting Cut medium gauge metals (1/16-Inch to 1/4-Inch) such as sheet metal, angle iron, bolts, channels, drill rods, threaded rod pipes and tubing Blade is shatter resistant