VARIOUS APPLICATIONS Those auger drills can drill holes in different soils, sand, and other surfaces. It is very easy to use them to dig holes for different planting and gardening purposes, such as digging holes, loosening soil, weeding roots, and even for mixing seeds, fertilizer, and etc. They can also provide efficient assistance for your beach trip, camping, and even fishing..EASY to USE The Auger drills fit most of the electric or cordless drills that can accommodate a 3/8 inch bit. 18V or greater drill is recommended; for cordless drills, a minimum 14V drill is required. Clean the auger drill after each use to make it more efficient..MATERIALS Auger drills are made of heavy-duty steel, with a glossy black painted finish..WHAT YOU GET 3 different size auger drills, 1.6 X 9 inch; 3 X 12 inch; 4 X 16 inch with 0.3 inch (8mm) steel shaft and non-slip hex drive 0.3inch(8mm). 10 pcs plant labels.