The maximum speed can be continuously reduced via the solid shaft electronics, while the torque remains nearly constant in the low-speed range. This feature is particularly important for fine turning, brushing, and polishing. The ball bearing spindle can be locked at the push of a button for tool changes. It has a 20 mm system connection for use in MICROMOT drill stands and horizontal stands. The balanced DC special motor is powerful, quiet, and durable. The robust housing is made of fiberglass-reinforced polyamide, with a soft component in the grip area.