Kubota by Land Pride: Augers can drill holes from 9" to 36" in diameter and up to 48" deep or deeper with available auger extensions. Various auger in standard or heavy duty configurations include 7 double flight augers from 9" to 36" and 3 tree augers in 24", 30", and 36" sizes. Also available with round or hex output shafts. Only available through Kubota Dealers. - Less