Bulb planter has strong steel construction. Auger is 2.75-inch diameter to accommodate larger bulbs and potatoes. Drills up to a 24-inch deep hole. Works well for planting bedding plants, grass plugs, nursery stock seedlings, etc. Fits any 3/8" or 1"/2" electric or cordless drill. 24" Drills holes 2-3/4" diameter up to