Create & maintain your garden up to 3 times faster than with a shovel & rake, using less energy, and requiring less strain on your body with our Spiral Auger Drill Bit. Easy to use, durable, heavy-duty steel construction with custom rust-proof finish is made for a lifetime of use ? this is the first and last auger you?ll ever need for your home landscaping. For use in any electric or cordless drill that can accommodate a 3/8" bit.