High Quality Material -- Made of heavy duty steel, with a gloss black painted finish. Suitable for soft ground. It is perfect for digging holes in a short time. Not for use with large or solid rock. Cut Planting Time By More Than Half -- Garden Auger Bit is great for helping you dig An Indispensable Tool for Gardening Work -- While this spiral drill bit is great for planting bulbs and bedding plants, as well as mulching weeds and mixing fertilizers, it's not just limited to gardening work. Easily dig holes for fence posts, ground lights, outdoor torches and umbrellas. Save Time and Energy: Use in any electric or cordless drill thread that can accommodate a 3/8, Garden Auger Drill perfect for quickly digging holes for planting flower bulbs. Versatile -- This auger bit ideal for planting larger bulbs and breaking compacted pot plants, also ideal for digging up herbs by the roots. Also ideal for digging up weeds by the roots. Effortlessly dig pole holes or even take it on vacation to drill a hole in the sand to anchor your parasol.