🚚 FREE 2-5 Delivery days in the US. The auger drill bit for planting is designed with new model upgraded bit and more spirals on the solid shaft, ensures digging holes 10 times working efficiency, extremely increase your planting efficiency and you have more time enjoy the planting season. UPGRADED MATERIAL These drill bits are made of High-Quality hard A3 steel, which is indeed stronger than ordinary stainless steel, so the drill bits will not bend or break, and will not be easily damaged. The heavy duty solid shaft will work on any kinds of soils. DIFFERENT SIZES AVAILABLE Different sizes suitable for planting all kinds of bulbs and flowers. Big sizes will also prevent you from back strain, don’t need to bend over so much to dig holes like the traditional way using a shovel. USE TO ANY 3/8-IN DRILL Fits any 3/8-inch cordless drill, battery powered drill, electric drill, etc., helps save time and effort to bore holes, makes digging holes and loosening soil quickly and efficiently. GREAT PERFORMANCE With this spiral drill, you can certainly drill at any depth according to the length of the drill. And it will not spread the soil everywhere, thus ensuring your garden is clean. This is indeed a good helper for your work. MULTI PURPOSES Our spiral hole drill is the best landscapers’ choice for increasing efficiency when planting bulbs, potted plants, vegetables, flowers, bare root trees and shrubs, tilling soil or planter boxes, mixing seed, soil, fertilizer, paint, or batches of mortar mix for hardscapes.