The Faithfull Earth Auger Drill Bit is made to be used with a 3/8in Hex Drive Drill, or 18V corded drills, and is specially designed for drilling at high speed in soil and solid clay. Made from heavy-duty steel to ensure maximum durability and significantly reduces manual effort and time.Suitable for various landscaping and horticultural tasks, such as digging holes for fence posts, and ground lights, or preparing soil for planting vegetables, bulbs, and flowers.