This section contains useful resources for Stihl's popular BT121 Earth Auger. The BT121 is a versatile 1.3kW Earth Auger and is suitable for a many purposes such as taking soil samples to drilling simple holes in the group. Features of the BT121 include vibration-reducing handles and a long-life air filter system. The auger has also a QuickStop drill brake, so if the drill jams in the ground, this will bring it to a halt.