Description The FLEX FX6151-Z 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, the FLEX FX6151-Z features 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.)