Greenlee 149H2-1/4 Replacement Screwpoint for E-Z Bore Bits, 1/4-Inch Replacement scew point for E-Z BORE bits sizes 1-inch through 2-9/16-inch Electric drill recommended, not included Cutting teeth that may be re-sharpened Replaceable self-feeding tip Three milled flats for use in portable electric or pneumatic drills and stationary boring machines