RIDGID 64318 4" Carbide Tipped Chain Knocker (K9-204)

RIDGID 64318 4" Carbide Tipped Chain Knocker (FlexShaft K9-204) The RIDGID K9-204 4" CARBIDE (64318) FlexShaft 3-Chain Knocker with Carbide Tip is designed for use with the K9-204 FlexShaft Drain Cleaning Machine and provides wall-to-wall cleaning in 4 in. pipes. The chain knocker expands to a pipe's inside diameter to break up blockages. The model 64318 Chain Knocker fits 5/16 in. cable and is equipped with three chains. The carbide tipped chain knocker is ideal for cleaning hard-walled pipes, including for soft blockages, grease, scale, and roots. Chain Knockers With Carbide Tip - Chain Knockers with carbide tips clean wall to wall and are ideal for removing scale and light roots as well as other grease and soft blockages in hard-walled pipe types For use with the RIDGID K9-204 FlexShaft Machine Specifications: Pipe Capacity: 4" (100 mm) 3 Chain Features: Expands to break up blockages and clean pipe walls. Carbide tips suitable for hard walled pipes. Equipped wit