1. [COMPATIBLE MODELS]Replacement 6 blade compatible with Ninja blender 72 Ounce Pitcher 1100w 1200w 1500w, including BL550 BL500C BL500, BL610, BL642, BL660, BL660C, BL700WM, BL700RC, BL700C, BL700, BL740, BL770, BL771, BL780, BL780CO, NC600CCO, NJ600, NJ602, NJ600C, NJ600RC, NJ602CO, NJ602NQ, NJ602Q, NJ602W more 2. [HIGH QUALITY]The 6-blade replacement is made of food-grade stainless steel with corrosion resistance BPA which is quite . The blade's excellent sharpness 6-blade design can blend your food well without leaving bits pieces of unblended bits 3. [EASY TO INSTALL and CLEAN]The mixer blades do not have complex structures or installation procedures, you only need to connect them to your mixer. For washing, you can put it in the dishwasher to your hs or brush it by holding the head 4. [6-BLADE REPLACEMENT]The 6-blade replacement will extract vital nutrients, giving you optimum nutrition in every smoothie. Transforming your life starts here