RIDGID 66638 4" Carbide Tipped Chain Knocker

RIDGID 66638 4" Carbide Tipped Chain Knocker (FlexShaft K9-306)   Compatible with the FlexShaft K9-306 drain cleaning machine, this chain knocker with carbide tips cleans wall to wall and is ideal for removing scale, light roots, and other grease and soft blockages in hard-walled pipe types. In addition, it features a three-chain design and fits 4 to 5" (102 to 127 mm) pipes. (1) Carbide Tipped Chain Knocker   RIDGID 66638 Features Varying sizes for 1 ¼” – 6” pipes Hard walled pipes Soft blockages, grease, scaling, and roots   RIDGID 66638 Specifications Length 2.125" Width 2.625" Height 7.875"   Features: 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 K9-306 FlexShaft Machine Specifications: Pipe Capacity: 4" (100 mm)  3 Chain     RIDGID offers a wide variety of FlexShaft® a