RIDGID 46683 K-1 Combination Auger with C-Style Cutter Head, Telescoping Drain Auger to Remove Drain Clogs in Sinks and Urinals Dual power operation provides additional power necessary for removing tough obstructions Telescoping design provides additional cable length to remove obstructions further down the line "C" Cutter head breaks up hard blockages Left hand wound cable strengthens cable and prevents kinking