42007 - K-750 Drum MachineRidgid 42007 K 750 Drum Machine The K 750 Drum Machine is a powerful, self contained drain cleaning machine ideal for lateral lines. Easy to transport, minimal set up attach a tool and go. Tough, corrosion resistant cable drum withstands harsh treatment and abuse. It will not dent or corrode and cleans easily. For 3" to 8" (75 200 mm) Drain Sewer Lines. Versatile AUTOFEED adjusts for either 5 8 or cable with a twist of a screwdriver. Features