The Cobra foot operated electric cable drum machine auger is used to clear 3/4" to 3" diameter sink, shower and tub drain lines. It features a 5/16" diameter, 50' long steel music wire cable, a high torque, variable speed drill motor, a pneumatic foot switch and a rugged 9" rotational moulded drum with quick drum release. The drum machine is covered by a limited lifetime warranty on material and workmanship.