This Nutri Ninja Extractor Blade Assembly Model 307KKU has the power to break down, pulverize and emulsify foods so you can unlock the hidden nutrition inside the foods that you eat! The Nutri Ninja Pro Extractor Blade not only extracts all of your foods nutrients, but it actually breaks them down to a pre-digested state, easing the stress put on your digestive system and helping you achieve optimum health. - Compatible with the following Nutri Ninja models:Ninja Professional Blender with Single Serve (BL660)Ninja Professional Blender & Nutri Ninja Cups (BL740)Ninja Professional Blender (BL663)Ninja Professional Blender (BL663CO)Ninja Professional Blender (BL665Q)Ninja Professional Blender 1000 (BL610)Ninja Professional Blender (CT610)Ninja Professional Blender (CT610C)Ninja Professional Blender (NJ600)Note: This blade WILL NOT FIT any other Ninja models. - Bladedimensions: 3inches (height) x 3.38 inches (diameter). Numberof Fins: 6 fins. - Disclaimer: Not an OEM product. This is not a - Ninja Kitchen original product. Any use of the - Ninja Kitchen brand name, model or part designation for this product is made solely for purposes of demonstrating compatibility.