② The Ninja blender has 6 male fins (not 7 fins or 5 fins or 6 female fins). ④ Before use, make sure the 6 male fins blades are firmly screwed onto blender cup. 【Premium Material】The 6 male fins extractor blade assembly for Ninja is made of premium BPA-free impact-resistant plastic and food-grade high-strength stainless steel, dishwasher safe.
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