Drain Cleaning Cutter Head Type Chain Knocker Compatible Cleaner Series R600 RODRUM S Connection Size 5/8 in Maximum Drain Line Inside Diameter 4 15/16 in Minimum Drain Line Inside Diameter 2 15/16 in Product Type Chain Knockers Compatible Cleaner Manufacturer Part Number 1000001711 1000001712 1000001713 1000001714 72676 72863V 72869V Application Janitorial Services Pipe Cleaners Plumbers Coupling Type T-Nut Cutter Type Chain Knocker For Use With 5/8 in Spirals