The FLEX Mud Mixer delivers the power, comfort, and control to prep any material for the job. The ergonomic dual-handle design enhances your stability and control. Two mechanical gear speeds help you power through even the toughest mixes with ease. Additionally, three electronic speed modes helps you dial in the speed for total control of every mix. Fits all of common paddles using this mixer's secure, 1/2 in keyed chuck. And maximize your FLEX Advantage with FLEX battery cross-compatibility to deliver the same unrivaled power, runtime, and fast charging speed as your other FLEX power tools. (Battery sold separately.) All this comes with the dependability of a 5-year warranty.