The Drain Borer cutting ball has rotating, precision-machined teeth to penetrate and chew through hard blockages like roots and encrusted debris in 3- to 6-inch lines. The shape navigates bends well and self-centralizes. It is available in 4 sizes: 1-, 1 1/2-, 2- and 3-inch diameters. Standard ball fits cable with a threaded male end; mounting blocks to connect to other style ends are available as well.
