Drain Cleaning Cutter Head Type Sharktooth Cutter Compatible Cleaner Series 22XP40 7DD56 Connection Size 7/8 in Maximum Drain Line Inside Diameter 8 in Minimum Drain Line Inside Diameter 3 in Product Type Cutters Compatible Cleaner Manufacturer Part Number SP-HD75-1 Application Large Main lines Compatible Cable Core Type Hollow Core Inner Core Compatible Cleaner Grainger Part Number 22XP40 7DD56 Coupling Type Female Cutter Length 5 in Cutter Type Sharktooth Cutter