3/4" to 2 1/2" (20 mm to 75 mm) Drain LinesExcellent for small line cleaning. Opens clogged lavatory, sink lines, urinals and tub or shower drains.Advanced two-way AUTOFEED® control keeps hands and work area clean – advances & retrieves cable with push of a lever.Manual version has a slide-action chuck for quick locking/releasing of cable (Not available in Europe).Lightweight, easy-to-use, no setup required.Variable speed power unit rotates cable 0-600 RPMs.Two-piece twist lock canister with interchangeable inner drum - Makes cable change-out simple; easy to match the right cable for the job.Inner drum prevents water leaks and greatly reduces cable flip-over inside the drum.