"M18� Drum Machine with 3/8 in. cable allows you to clean drains confidently with instant setup. The M18� Drum Machine provides more power than corded machines to tackle tough blockages like grease, scale, and build-up. The drum machine can clear drains out to 100 ft. with a 3/8 in. cable or 75 ft. with 1/2 in. cable. The included 3/8 in. cable is best for use in 1-1/2 in. to 3 in. drain lines. For larger drain lines up to 4 in., the machine is compatible with 1/2 in. cables. Complete multiple jobs on one battery charge while simultaneously eliminating the hassle of extension cords and finding electrical outlets, providing access to power anywhere. Our enclosed drum and lightweight design allow for cleaner, easier transportation on and off the job. Includes: M18� drum machine with 3/8 in. cable, M18 REDLITHIUM XC 4.0 extended capacity battery pack, M18 and M12 multi-voltage charger, 3/8 in. x 75 ft. inner core drum cable, 5 piece medium cable head attachment kit with RUST GUARD� plating."