RIDGID 66588 4" Penetrating Head Chain Knocker (K9-204)

Ridgid 66588 4" Penetrating Head Chain Knocker (FlexShaft K9-204) K9-204 FLEXSHAFT KNOCKER, FOR 4" (100 MM) PIPE, 3 CHAIN, PENETRATING HEAD & CARBIDE TIPS  Ridgid 66588 Includes (1) Chain knocker Ridgid 66588 Features Small Profile Carbide Grit Head on 2” Chain Designed Specifically for RIDGID Traditional Larger Profile Carbide Grit Head on 3” and 4” Chains Additional Carbide Chains on Front to Gradually Open Full Blockages Same Set Screw as Existing Chain Knockers   RIDGID offers a wide variety of FlexShaft® accessories in different sizes for the most cleaning efficiency on the jobsite. Depending on pipe size, pipe material and blockage, there are different chain Knockers and Brushes for every job. Knowing when to choose Brushes or standard, carbide tipped or penetrating head chain Knockers can help you get the best performance out of your machine.