Designed with a spiral flute that helps remove soil as the bit is turned, making it easier to drill a straight, even hole. Easy to use, simply attach it to your drill and start digging. Excellent for planting flower bulbs, grass plugs andnursery stock seedlings The auger drill bit is designed to make planting trees, shrubs, bulbs, and other plants easier and faster by drilling a hole in the ground to the proper depth for planting.