Ridgid 64298 K9-102, K9-12 FlexShaft 2" Chain Knocker, Drain Cleaning Accessory

Ridgid K9-102 FlexShaft® 2" Chain Knocker

The Ridgid K9-102 (also referenced as K9-12) FlexShaft® Chain Knocker is a 2" (50 mm) drain cleaning accessory built for wall-to-wall cleaning inside soft-walled pipe. Designed to attach to Ridgid FlexShaft power cleaning systems, this chain knocker configuration uses looped chain to break up and remove grease, hair, and other soft blockages that restrict flow in residential and light commercial drain lines. Backed by a Full Lifetime Warranty and manufactured in Finland, this accessory is engineered for reliable, repeat use on the jobsite where drain technicians need dependable, code-compliant performance.

Key Features

• Trade Size: 2" (50 mm) chain knocker sized for common residential and light commercial drain lines.
• Model Reference: K9-102 / K9-12 designation for accurate part matching with compatible Ridgid FlexShaft machines.
• Smooth Chain Knocker Design: Cleans drains wall to wall in soft-walled pipe, efficiently removing grease, hair, and other soft blockages.
• FlexShaft Compatible: Part of the broader Ridgid FlexShaft accessory lineup, which also includes sandpaper blades for pipe rehab prep, nylon cleaning brushes, nylon/steel brushes, carbide-tipped penetrating chain knockers, and ball/drop heads for varied blockage and pipe conditions.
• Full Lifetime Warranty: Backed by Ridgid's Full Lifetime Warranty for long-term confidence in professional daily use.
• Country of Origin: Manufactured in Finland to consistent quality standards.

Technical Specifications

• Model Number: K9-102, K9-12
• Product Warranty: Full Lifetime Warranty
• Country of Origin: Finland
• Size: 2" (50 mm)

Typical Applications

• Residential and Light Commercial Drain Cleaning
• Grease and Hair Blockage Removal in Soft-Walled Pipe
• Routine Maintenance Cleaning with FlexShaft Power Systems
• Pipe Wall Cleaning Ahead of Inspection or Camera Work

Why Ridgid?

Ridgid FlexShaft accessories, including the K9-102 chain knocker, are built to deliver consistent wall-to-wall cleaning performance across a wide range of pipe conditions and blockage types. Backed by a Full Lifetime Warranty and manufactured in Finland, this 2" chain knocker gives drain cleaning professionals a dependable tool for grease, hair, and soft-blockage removal, helping crews keep lines flowing and jobs moving efficiently.