The MILWAUKEE M18 FUEL SWITCH PACK Sectional Drum System 3/8 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 3/8" cable is best for use on 2" - 3" drain lines. The Milwaukee switch pack cable drive Assembly provides users with the ability to automatically feed and retract cables through 1-1/4 in. to 4 in. lines at up to 15-20 ft. per minute. The cable drive assembly quickly attaches to any switch pack drum with the mounting plate installed allowing for one cable drive assembly for all switch pack drums users own .Includes: (1) M18 FUEL SWITCH PACK powered base, (1) SWITCH PACK drum with anchor cable, (1) M18 REDLITHIUM XC5.0 extended capacity battery pack, (1) 5-Piece medium cable head attachments with RUST GUARD plating, (1) 3/8 in. x 50 ft. inner core coupling cable with RUST GUARD plating, (1) M18 and M12 multi-voltage charger and (1) SWITCH PACK CABLE DRIVE accessory kit (47-53-2774).