The Jayzod 4" X 25" Garden Auger Spiral Drill Bit, Bulb And Bedding Plant ?strong and sturdy?The auger's dimension spiral 4inch x height 25inch(10cm x 63cm),2.61LB for the auger,2.64 pounds for the total item(with package) .This garden auger spiral drill bit is so easy to use, just put it in your drill, drill a hole anywhere from an inch to several inches deep in just a couple seconds, drop your flower bulb in the hole and enjoy the beautiful flowers next spring. ?Effective augers for digging holes ?Jayzod?s heavy duty steel augers work with any 3/8" or larger chucked drill, 18V or greater drill recommended. Digging hundreds of holes in minutes without worry about bending or broke,which will maximize improve your planting job. ?18V or larger recomended?Save time and energy. Use in any electric or cordless drill that can accommodate a 3/8" or larger drill. Make sure your drill have enough power and 18V or above will work better.Nice augers for digging holes in your yard. ?Various Applications?This post hole digger not only widely used for planting bulbs,potted plants, vegetables, flowers, bare root trees and shrubs,but also nice for drilling a hole in sand to anchor your beach umbrella,drilling holes for tents and so on. ?user-friendly size design?4"x25" design will help save your back, don?t need to bent down to do your garden work.Easily digging 4"x25" by using the power of your hand held drill.