The FLEX FX6151-Z Mud Mixer is a powerful, comfortable bare-tool designed to prep mortar, grout, and dense blends with ease. Built for pros who value control on every mix, it pairs FLEX’s 24V performance with smart design and cross-compatibility in a tool you’ll actually enjoy using.

Key Features & Design

• SENSOR-FREE™ BRUSHLESS MOTOR for efficiency and durability, engineered to deliver more power with fewer headaches.
• DUAL HANDLE DESIGNS for superior comfort and control—stability that keeps you in the driver’s seat all day.
• 2 MECHANICAL GEAR SPEEDS to conquer thick mortar mixes effortlessly.
• 3 ELECTRONIC SPEED MODES for precision mix control across materials and conditions.
• POWERED BY 24V LITHIUM—battery sold separately—so you’re not lugging around a brick of a tool.
• FLEX 24V CROSS COMPATIBILITY with all FLEX 24V batteries, chargers, and tools. (Battery and charger sold separately.)
• END-TO-END 5 YEAR WARRANTY—register your new FLEX 24V tools, batteries and chargers for full coverage.
• 1/2" CHUCK with secure keyed chuck that fits common paddles for versatile mixing.
• Includes: Mud Mixer, Chuck Key, Key Holder.
• Designed to maximize your FLEX Advantage with consistent power, runtime, and fast charging speeds.

Specifications

• Tool Capacity: 1/2" Chuck
• No-Load Speed 1st Gear: 0-210/325/530 RPM
• No-Load Speed 2nd Gear: 0-320/490/780 RPM
• Tool Weight (without battery): 9.5 lbs, 4.3 kg