The M12 FUEL 1/2 in. X 18 in. Bandfile is the first cordless bandfile that delivers pneumatic performance, size, and features for professional automotive, industrial, and metalworking users. This Milwaukee bandfile delivers the Fastest Spot Weld Removal by leveraging POWERSTATE Brushless Motor Technology. The cordless bandfile delivers UNMATCHED CONTROL with a two-speed setting, Forward/Reverse function, a lock-on button, and a variable speed trigger. The Milwaukee M12 FUEL Bandfile has a Tool Free 360. Arm Rotation and provides GREATER MOBILITY & ACCESS. With the M12 REDLITHIUM XC4.0 Battery, this product removes up to 50 spot welds per charge. The M12 FUEL 3/8 in. X 13 in. Bandfile is the first cordless bandfile that delivers pneumatic performance, size, and features for professional automotive, industrial, and metalworking users. With the M12 REDLITHIUM XC4.0 Battery, this product removes up to 65 spot welds per charge.