Mdingbao-Compression Spring 10/15/20M Sewer Dredging Spring Electric Drill Drain Cleaner Machine Extension Sewer Pipe Dredger Cleaning Spring with Connector Good Corrosion Resistance

- Made of steel material not easy to rust and have strong oxidation resistance, acid resistance and corrosion resistance. - Smooth surface, uniform spacing, uniform force, stable rebound, good flexibility strong plasticity. - 10/15/20M Sewer Dredging Spring Electric Drill Drain Cleaner Machine Extension Sewer Pipe Dredger Cleaning Spring With Connector