Item detailed information: Size Diameter: 3" , Length: 9". The size of this auger drill bit is about 3×9" Wide Application Package includes an appreciate size auger drill bit, suitable for different planting requirements. Easy to Use This bulb augers set will compatible with chucked drill, 18V or greater drill recommended. High Efficiency Makes hole digging easier, extremely increase your planting efficiency. High Quality Made of high quality steel, reliable and long life. .