Ninja (QB1004) Master Prep Pro Food & Drink Mixer, Black The Ninja Master Prep Professional Blender has patented, ninja-blade technology to effortlessly mince, chop, crush and more. 16oz Prep Bowl, 40oz Prep Pitcher, and a 48oz Prep Pitcher Mixes, Blends, Beats, Chops Pulse Feature, Interchangeable Motor Head, Stainless Steel Blades Non-Slip Base, Safety Lock