For processing foods fast and efficiently, the Robot Coupe - MP550 - 21 inch Hand Held Immersion Blender has a 1.2 horsepower motor and works fast and easy. The MP550 has a 21-inch shaft that is ideal for purees, liquids, and blends and operates up to 12000 RPM. It has self-regulating speeds, a locking feature that frees you up for other tasks, and the Robot Coupe 21 inch Hand Held Immersion Blender (MP550) is easy to clean and comfortable to use.