Clear unwanted grease clogs, with the RIDGID T-205 1-3/8 in. "C" Grease Cutter. This strong and versatile auger breaks up tough grease blockages in kitchen sinks, lavatory sinks, slop sinks, drain lines and disposal waste lines. It has a 1-3/8 in. diameter and fits 3/8 in. drum and 5/8 in. sectional cables. The T-205 cutter is designed for use with C-4, C-6, C-6 IC, C-7, C-8, C-9, C-31, C-32, C-33, C-31 IW, C-32 IW, and C-33 IW drain snake cables. Simply slide the cutter on the drain cleaning cable for easy installation. Use this powerful sewer pipe cleaning tool with RIDGID K-40 and K-45 Sink Machines, K-400 and K-3800 Drum Machines, and K-50 Sectional Machine. RIDGID - Built For Those Who Know.