Ridgid 63035 T-211 Grease Cutter, 1-3/8-Inch Fits Cables: C-4, C-6, C-7, C-8, C-9, C-31, C-32, C-33, C-31 IW, C-32 IW, C-33 IW, C-44 IW, C-45 IW Grease Cutter Blade Removes Backed up Grease and Slug from Pipes