Feature●[Specifications] 1 Pc 3.5 x 16 Inch Auger, 1 Pc 1.6 x 16 Inch Auger, 1 Pc 1.6 x 9 Inch. The Drill bit works with any 3/8" Non-slip drill or larger chucked drill, 18v or greater drill recommended.●[Material] The auger drill bit made of high hardness alloy steel, with dark orange painted finish for long service life.●[Advantage] The auger drill for planting has been upgraded to All-in-One design,so there is no addtional connection part between the shaft and hex part which will not broken easily like others on the market.●3 different sizes garden augers will meet your different planting demands in the planting season.●[Note] Keep auger clean from soil and debris when not in use. Recommend you to use any standard electric drill or cordless drill with 3/8" or larger adjustable chuck.Description DIFFERENT SIZES TO MEET YOUR DIFFERENT GARDEN WORKS 1.6" X 9" Auger Drill Bit 1.6 X 9 inch inch auger bit is a good size for root aeration and is the best auger for planting bulbs and flowers. 1.6" X 16" Auger Drill Bit 1.6 X 16 inch auger bit size is suitable for horizontal drilling, mixing paint, cement or soil. 3.5" X 16" Auger Drill Bit 3.5 X 16 inch auger size is good for setting smaller fence posts or planting annual plants and perennial plants in quart-sized pots. Description Material Steel Shank Type Hex Size 1.6"x9" 1.6"x16" 3.5"x16" Finish Type Painted Package Dimensions 16.42 x 4.06 x 3.82 inches; 2.31 Pounds Tool Flute Type Spiral