Spade Cutter, Head Type Spade 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 2 1/2 in, Cutter Type Spade Cutter, Fits Brand Ridgid, Westward