Set: 1 large auger drill bit (12 x 3 inches), 1 small auger drill bit (9 x 1.6 inches), Multi-purpose: auger drill bit for planting, spiral flower pot, root removal tool, weed puller, lawn auger drill bit, root removal tool, weed removal tool. Great item to significantly increase the efficiency of planting flower bulbs, potted plants, vegetables, flowers, bare-root trees and shrubs. Easy to use: garden auger bit suitable for any 9.5 mm drill chuck or larger, 18 V or larger drill recommended. Plant hundreds or a few flower bulbs in minutes. Keep the drill bit off the ground when not in use. High quality: The garden onion drill bit is made of sturdy steel, has a glossy black coating and a non-slip hex drive for maximum digging performance and is durable.