Detachable 34 x 3 Garden Auger Drill Bit,Auger Spiral Drill Bit for Planting Bulbs and Potted Plants & No Need to Squat Down, Plant Bit with 3/8″ Hex Drive Drill. 【Upgrade Durable Bit】Auger drill for planting has an upgraded triangular bit, and the solid shaft of stainless steel is durable enough to be suitable for any type of soil.