3?4" (20 mm) to 4" (110 mm) Drain LinesA powerful, easy to transport, versatile machine for cleaning indoor drains. Requires minimal set-up to clean sink lines, floor drains and roof vents.Rugged, corrosion-resistant molded cable drum won’t dent or rust. The drum tilt adjusts for proper cable feed angle. Inner-drum guards against cable flip-over insidethe drum.Cable drum quick-release and built-in hand-holds allow easy cable change and transport.Maximum drum capacity is 100' (30,5 m) of 3?8" (10 mm) or 90' (27 m) of 1?2" (12 mm)continuous length cable3?8" (10 mm) cable best for 1 1?2" (40 mm) to 3" (75 mm) lines up to 100' (30,5 m)1?2" (12 mm) cable best for 2" (50 mm) to 4" (110 mm) lines up to 90' (27 m)Optional sink drum holds up to 50' (15 m) of 5/16 (8 mm) or 1/4 (6 mm) cable