Easy to use For direct connection to sewer rod. Heavy duty 4" sewer clearing wheel. 4" Sewer Clearing Wheel Guides rods around difficult bends and removes minor blockages by pushing material clear. Hardwearing and durable steel guide wheel, yellow-passivated for excellent corrosion resistance. Guides assembled Drain Rod Systems through submerged channels, ensuring they stay on course even around slight bends. Free moving wheel clears minor blockages on its way through, and provides a touch-tight connection to pipework, indicating potential snags, cracks, and obstructions. Features Heavy-duty 4" sewer clearing wheel. Navigates rods around tight or difficult bends. High-quality clearing wheel that pushes obstruction to clear.