The STIHL BT 230 (150 mm / 5 15/16″) is a powerful 40.2 cc petrol earth auger set equipped with a 150 mm double-spiral drill bit. Delivering 1.55 kW (2.1 bhp) of digging power, it is built for fast fence post installation, tree planting, and soil sampling. Features include an ergonomic single-hand control grip, a protective support frame, a manual fuel primer pump, and a standard 20 mm shaft connection.