This 18V XR Brushless 50mm Magnetic Drill features technology that makes the drill up to 32% more powerful when using a XR FLEXVOLT® DCB547 battery*. Built to help prevent tool failure due to lost power, it securely attaches to metal by using a permanent magnet base that requires no electrical charge. This high-performance magnetic drill press packs the capacity to drill up to 40 holes per charge**he Quick-Change Chuck system allows for tool free change between 19mm Weldon Shank and 13mm keyed chuck (Included). To keep the user in control, the E-Clutch is designed to turn off when it detects rotation, part of the PERFORM & PROTECT™ family. The drill has 5 variable speeds for each of the 2 mechanical gears for a total of 10 speed settings to allow for a wide RPM range for a variety of applications.\n*Using DCB547G battery vs. DCB184 battery, **Up to 40 holes per charge on 13mm ASTM A36 steel 20mm hole size using DCB547G battery.