The M18 FUEL™ M18 FUEL™ HIGH SPEED CHAIN SNAKE w/ONE-KEY™ (Tool Only) delivers the power to clean and descale, with instant setup. The Milwaukee The M18 FUEL™ M18 FUEL™ HIGH SPEED CHAIN SNAKE w/ONE-KEY™ (Tool Only) provides the power to descale up to 23m (75’) out delivering full power at maximum distance. The Chain Snake delivers the easiest, most controlled wall-to-wall clean, featuring a variable speed dial, an electronic foot pedal, and a mechanical clutch. Eliminate the hassle of extension cords, finding electrical outlets, and unreliable drill connections, the Chain Snake provides access to power anywhere. The M18 FUEL™ High Speed Chain Snake comes with 1-1/2”, 2”, 3”, and 4” standard chain knockers to clear grease and soft blockages.