Ridgid 71722 115 Volt Model K-40-AF Sink Machine With C-13IC 5/16" x 35' Speed Bump Cable Inner Drum Auto feed Guide Hose and Mounting Bracket. Dual Feed Sink Machine provides the professional With a powerful yet compact machine for Cleaning Small secondary drain lines from 3/4 In. to 2-1/2" (19mm - 64mm). The K-40 AF Sink Machine when used With the dual feed your Hands literally never need to touch the cable and there is no mess. The K-40 Sink Machine sits flat on the floor countertop or tips onto its Back for easy access to elevated drains. With a Quiet and Powerful 1/8" hp Induction motor quietly delivers enough Torque to clear even the toughest blockages. The K-40 AF features premium quality compression wound inner core cable resists kinking and combines strength and Flexibility. Two-piece 'twist lock drum housing allows easy access to the inner drum and cable and will not dent or corrode.