The Milwaukee M18 FUEL SWITCH PACK Sectional Drum System 1/2 in. Kit is the first drain cleaning solution that combines the benefits of sectional and drum machines, creating the single most versatile and mobile machine on the market. The SWITCH PACK System utilizes a modular design with backpack straps allowing users to easily transport it to any roof, drain, crawl space or cleanout. The tool-free drum connection enables users to quickly switch between cable sizes or add a second drum, allowing them to reach 100 ft. down the line. All SWITCH PACK drain cleaning drums are fully enclosed providing users with the best protection against job site mess. The POWERSTATE Brushless Motor provides users with more clearing power than corded units for tough jobs in up to 4 in. drain lines. The 1/2 in. cable is best for use on 3 in. to 4 in. drain lines. Other cable sizes also available. Includes: M18 FUEL SWITCH PACK powered base, 2 SWITCH PACK drum with anchor cable, 2 M18 REDLITHIUM XC5.0 extended capacity battery pack, one 5-piece medium cable head attachments with RUST GUARD plating, two 1/2 in. x 50 ft. inner core coupling cable with RUST GUARD plating and (1) M18 and M12 multi-voltage charger and 1/2 in. x 50 ft. Cable (48-53-2773), Drum (47-53-2775).