Greenlee 66PT-7/8 Auger Bit, 7/8"Greenlee has been going strong for more than 145 years and continues to be the preferred brand of tools and equipment for the electrical contractor. From hole making and bending to test and measurement, you can depend on Greenlee tools to outlast and outperform the competition every time. The Greenlee 66PT 7 8 Drill Bits have a patented new design which improves cutting cleaner holes. It has a self feeding screw point that draws the bit through wood