RIDGID Chain Knocker for 3-4 Inch Drain Lines

The RIDGID Chain Knocker is a drain cleaning cutter head for 3 to 4 inch drain lines. It attaches to the end of a compatible RIDGID drain cleaning cable. Use it when a line needs aggressive cleaning, such as scale buildup in pipes and boiler tubes.

Key Features:

• Chain-style head that whips against the pipe wall to break up scale and hard debris such as roots
• Made for use in 3 to 4 inch lines
• Attaches to compatible RIDGID drain cleaning cables and sectional machines, depending on the model
• Made in the USA by RIDGID, a trusted name in professional plumbing and drain cleaning tools

Add a chain knocker to your drain cleaning kit for jobs where a standard cutter isn't enough. Choose the model that matches your cable and machine.