M18? FUEL? Drain snake with cable-drive? locking feed system represents the next level in performance for handheld machines, and is the first to bring brushless motor technology to the drain cleaning industry. The POWERSTATE? brushless motor provides more clearing power than corded competitors for tough jobs through 3 in. drain lines. REDLINK Plus? intelligence ensures maximum performance under load and improves control throughout the entire process. The REDLITHIUM battery pack powers through multiple jobs on a single charge, delivering cordless mobility, safety, and power supply to the drain cleaning industry.