RIDGID 66623 4" Chain Knocker

RIDGID 66623 4" Chain Knocker   (FlexShaft K9-306) (1) Plain Chain Knocker   RIDGID 66623 Features Varying sizes for 1 ¼” – 6” pipes All pipe types Soft blockages and grease   RIDGID 66623 Specifications Length 2.125" Width 2.625" Height 7.875"     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.