Genuine Ninja parts Only for BL770 stainless steel blade . Color of the housing may vary : black or Gray For 16 oz single cups This item is a genuine OEM part re-packaged by Enbizio and will come in an Enbizio branded box . Enbizio is not affiliated with "Ninja" . All models mentioned here are trademarks or registered trademarks of their respective holders including "Ninja" Compatible with BL770 only . This item is a genuine OEM part re-packaged by Enbizio and will come in an Enbizio branded box . Enbizio is not affiliated with "Ninja" . All models mentioned here are trademarks or registered trademarks of their respective holders including "Ninja"