[Compatibility] – This part is compatible with Ninja Auto-iQ models 431KKU480, 575KKUD450; 900W food processor models BL450-70, BL451-70, BL454-70, BL455-70; and 1000W models BL480, BL480D, BL480-70, BL480W-70, BL481-70, BL482-70, BL483-70, BL484-70. The model number must match exactly. If any number or letter is different, do not purchase this item. [Not Compatible With] – This blade is not suitable for the following Ninja models: BL450-30, BL451-30, BL454-30, BL455-30, BL480-30, BL480W-30, BL481-30, BL482-30, BL483-30, BL484-30, BL660, BL663, BL740, BL770, BL771, BL773CO, BL780, BL820, BL830. Fits only 18, 24, and 32-ounce cups. Does not fit 16-ounce cups. [6-Fin Accessories for Ninja] – Made of high-strength stainless steel, these professional blades are designed for Ninja blenders to help extract vitamins and nutrients, ideal for making smoothies, frozen drinks, and sauces. The replacement blade comes pre-installed with a rubber washer for a better seal and to prevent leaks. [2 Extra Rubber Gaskets] – One rubber gasket is pre-installed on the blade when you receive it. Two additional gaskets are included for future replacements. Do not install more than one gasket per blade. Only use one gasket at a time. Ensure the cup and blade are properly assembled before operating the appliance. Color: As shown Material: Plastic Package Includes: 1 x Blade 2 x Rubber Gaskets 1 x Cleaning Brush (color may vary, no specific color requests accepted) Note: This listing includes only the items listed above. Other accessories shown are not included. Note: Lighting and monitor settings may cause slight variations in color between the product image and the actual item. Measurement may vary by +/- 1-3 cm.