High Efficiency Auger Spiral Drill Bit - The planting auger for drill adopts the upgraded sturdy drill bit and adds more design on the shaft, and the whole steel pouring ensures the toughness & of the product, so as to provide higher efficiency in the garden, an ideal choice of a gardener. This easy planter rapid planters through loose material so you can bulls and bedding anywhere you want. Note: Not for use with large or solid rock. 4 count Garden Drill Bit Auger - The garden augers come in 4