A selection of earth auger bits for the STIHL BT 121 and BT 130 / 131 post hole borers. With a length of 695 mm, you can choose a diameter from a variety of options between 40 mm and 200 mm.
This range of earth auger bits from STIHL are designed for their BT 360. Each 700 mm in length, there is a choice of diameters available, from 90 mm up to 350 mm.