FlexShaft Knocker, K9-306, 4" (100 mm), 3 chain, penetrate

Chain knockers expand for full pipe cleaning | Hard walled pipes | For wipes, scale, roots, grease and soft blockages | Cleans Drains Wall to Wall | Carbide Grit Head Penetrates Tough Blockages | Ball and Drop Heads - Penetrating heads only that can be attached with standard chain knockers or brushes when carbide tipped chains are too aggressive. Ball heads designed for optimal in pipe negotation in smaller lines and drop heads designed to navigate down stacks in back to back applications. | Nylon/Steel Brushes - 50% Nylon and 50% Steel Brushes can be used for light grinding of pipe walls and to help clear debris sitting at the bottom of a pipe. These brushes can also be used for relining applications such as preparing PVC walls for a liner. | Removes Wipes, Grease, Soft Blockages, Scale and Roots | Flexshaft® Lubricant - Flexshaft Lubricant with PTFE (teflon) reduces FlexShaft cable friction and wear during insertion into the drain. Lubricant should be applied to any exposed cable on a monthly basis. Lubricant applied on the outer sheath also improves push ability around 90 degree cast iron bends to help push farther in drains. The lubricant is waterproof, long lasting and viscosity stable. | Chain Knocker Cleans 4" Drains