Whatever you have to drill, Bad Dog Multi-purpose Drill Bits can get you there. Power through masonry, wood, metal, pvc, more. Bad Dogs unique filing action powers bits through harder materials that stop other bits in their tracks. And whatever size hole you are drilling, we have got the right-sized bit to do it. Bad Dog Bits are available in sets and individually from 1/8"" x 3"" through 2"" x 18"".