Plant bulbs and 3 or 4-inch potted plants faster than ever before with this auger, which also is perfect for post hole digging and planting bare-root trees and shrubs. It’s also a great choice for other tasks such as installing beach volleyball poles and umbrellas or boring holes under sidewalks for irrigation lines. This American-made 3" diamerer auger can be used with a cordless drill with 1/2" drive size or larger.