The Yard Butler Roto Earth Auger work sfor you. Just attach to any cordless drill 3/8 inch or larger, it digs holes up to 16 inches deep x 1 ¼ inches wide with the ease of a power tool. The Roto Earth Auger is unsurpassed for planting bulbs, bedding plants and seedlings; installing pvc sprinkler lines under sidewalks; insecticide applications and termite treatments; 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.