Are you looking for Ninja single serve blender blade?
If yes, this blade might be your best choice. It is a 6 fins for Ninja Professional Blender, compatible with Nutri Ninja BL660 BL663 BL663CO BL665Q BL770 BL770A BL771 BL771C BL772 BL772Q BL773CO BL780 BL780CO BL773CO BL740. Also Fit for Nutri Ninjia Extractor Blade Assembly Model 303KKU, 307KKU, 356KKU800, 322KKU770.You can make a variety of nutritious shakes, smoothies, and frozen drinks.

Specification:
Name: 6 Fins Blender Extractor Blade Assembly Replacement
Amount of Fins: 6 Fins
Material: Food-grade high quality stainless steel
Only fits for single serve 16 oz cups, not fits for 18oz, 24oz, 32oz.
Diameter: 3.35 inches/8.5cm
Package Includes: 1 x 6 Fins for Ninja single serve blender blade replacement, 1 x gasket rubbers replacement.

Compatibility:
for Ninja Blender:BL660 BL663 BL663CO BL665Q;
for Ninja Blender:BL770W BL770A BL770 BL771 BL771C BL772 BL772Q BL773CO BL773CCO BL740 BL770 BL770A BL780 BL780CO;
for Nutri Ninjia Blender:303KKU, 307KKU, 356KKU800, 322KKU770.

【NOTE】
1,The extra gasket has been installed in the for ninja single serve blender blade, please check rubber gasket before use and make sure it is put tight into the replacement bottom blade.
2, If you want to replace the rubber gasket, please take off the old gasket in the bottom blade at first.
3. If the bottom blade is leaking, maybe you didn't close the blade tight enough on the cup or the gasket is loosen.
4,Recommend to check the bottom blade regularly and replace it every 6 months for good performance.


【Compatible With Ninja Extractor Blade Assembly】For Ninja blender blade 6 fin is compatible with Nutri Ninja BL660 BL663 BL663CO BL665Q BL770W BL770A BL770 BL771 BL771C BL772 BL772Q BL773CO BL773CCO BL740 BL770 BL770A BL780 BL780CO. Also Fit for Nutri Ninjia Extractor Blade Assembly Model 303KKU, 307KKU, 356KKU800, 322KKU770.
【Premium Quality】The 6 Fins blade for ninja bullet is made of food-grade high quality stainless steel, anti-corrosive and dishwasher safe. Meets or exceeds OEM standards, 100% tested before shipping. Prefect for nutritious shakes, smoothies and frozen drinks.
【Note】Replacement For ninja single serve blender blade only fits for single serve 16 oz cups, 6 Fins, Diameter: 3.35 inches/8.5cm. (Not fit 18oz, 24oz, 32oz).
【Extra Gift】The extra gasket has been installed in the bl770 blade, you can use the blade without any other operation. Please check rubber gasket before use and make sure it is put tight into the replacement bottom blade.
【Package Include】1 x 6-Fins for Ninja blender blade replacement, 1 x gasket rubbers replacement( The rubber gasket had been put into the 6-fins bottom blade assembly). Please make sure your blender base has 6 fins.