1/2 inch by 50 feet Compact Electric Drain Cleaner Drum Auger Snake (1" to 4" pipes) with Built-in GFCI and many Accessories Handles pipes from 1" ID to 4" ID 1/2" x 50 ft. wire core cable resists breakage, tangling, and kinking Built-in GFCI (ground fault circuit interrupter) Sealed air-activated foot switch Quick-change enclosed drum