Chain Knocker, Head Type Carbide-Tipped Chain Knocker, Compatible Cleaner Series FlexShaft, Connection Size 1/4 in, Maximum Drain Line Inside Diameter 2 in, Minimum Drain Line Inside Diameter 1 1/2 in, Product Type Chain Knockers, Compatible Cleaner Manufacturer Part Number K9-102, Application FlexShaft Machines, Auger Length 2 in, Auger Types Included Chain Knocker, Cutter Type Chain Knocker, For Use With Mfr. No. 64263, Material Steel, Number of Blades 0, Overall Length 10 in