Ridgid 98055 3-Inch T-150 Shark tooth Cutter This cutter head is made to break through blockages in pipe lines This head Fits 7/8 inch c-10 Sectional male cable ends This cutter is for use in kitchen sinks, lavatory sinks, slop sinks, and disposal waste lines, it grabs debris and twists them onto the head of the cable Drain Cleaning Auger Fits Ridgid Sectional Cable C-10 Use to Clear Out Stoppages, Roots, Rags and Sticks Used To Clean Sides of Pipe After Smaller Augers Have Passed Through Easy Snap-on Attachment to Cables