The Yard Butler roto digger work for you. Just attach to any cordless drill 3/8 in or larger, it digs holes up to 28 in D x 1-3/4 in W with the ease of a power tool. The roto digger garden auger is unsurpassed for planting bulbs, bedding plants and seedlings, installing PVC sprinkler lines under sidewalks, deep watering, aerating and fertilizing trees and shrubs and weeding. Save time and energy with Yard Butler's garden augers. Solid steel construction for durability and reliability.