Super-Vee power drain cleaning machine unclogs sink, shower, toilet, and laundry lines up to 3 inches in diameter. The Slide-Action chuck engages and releases Flexicore cable with a push or pull of the Grip-Shield, even while the cable rotates. The chuck also automatically adjusts to 1/4- through 3/8-inch diameter cables. Powered by a variable speed motor, the product carries up to 50 feet of cable.