Save Your Time: Earth drill bit will work with any 3/8" or larger chucked drill, 18V or greater drill recommended. Plant hundreds or just a few bulbs in minutes.For cordless drills a minimum 14V drill is recommended; Keep auger clean from soil and debris when not in use. Multi-Purposes: Good 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; also effortlessly dig post holes or even bring it on vacation to drill a hole in sand to anchor your beach umbrella.