Made of heavy duty steel, with glossy black painted finish, Non-slip hex drive to fit any 3/8" or larger drill . The auger drill bit makes all of the guesswork in planting bulbs come true; Simply drill as far as the auger will go and lift the auger out of the hole ??? it is that simple! Drill required, not included Will work with any 3/8" or larger chucked drill, 18V or greater drill recommended. Plant hundreds or just a few bulbs in minutes. Great Item for dramatically increasing efficiency when planting bulbs,potted plants, vegetables, flowers, bare root trees and shrubs. Non-slip hex drive to fit any 3/8" or larger drill .18V or larger drill recommended. Plant hundreds or just a few bulbs in minutes.save your time and improving efficiency.Keep auger clean from soil and debris when not in use.