JOYSTAR Upgrade extractor blade with 32 oz cup and spout lid for Ninja Professional 72oz Countertop Blender BL770 SERIES 6 small male fins of blade can be fit Ninja Mega Kitchen System Blender/Food Processor with 1500W:BL770A 30/ BL770 30/BL773CO 30/BL771 30/BL772 30/ and 1200W NINJA BLENDER BL780 30/BL780CO 30 bL660 SERIESE 6 small male fins of blade can be fit Ninja Professional Countertop Blender with 1100-Watt BL660 30/BL660B 30/ Ninja BL665 QCN-30 and Ninja Professional 1000W Blender Smoothie Maker BL663 BL663CO 30 / BL660WM 30/ BL740 30 These new style square blade was develop from joystar. Now we have 5 style blade for ninja blender below: 6 male fins of Cross blade can be fit Ninja Professional 1000W Blender BL610 30/BL610 BRN 306 male fins of milling blade can be fit Ninja Professional 1000W Blender BL610 30/BL610 BRN 306 male short fins of Cross blade blade can be fit Ninja Blender 1100 Watt BL700 30/ BL701 30/ BL701WM 30/ NJ600 30/NJ600WN 306 male fins of milling blade can be fit Ninja Blender 1100 Watt BL700 30/ BL701 30/ BL701WM 30/ NJ600 30/NJ600WN 306 small male fins of blade can be fit Ninja Professional Countertop Blender with 1100-Watt BL660 30/BL660B 30/ Ninja BL665 QCN-30 and Ninja Professional 1000W Blender Smoothie Maker BL663 BL663CO 30 / BL660WM 30/ BL740 30 6 small male fins of blade can be fit Ninja Mega Kitchen System Blender/Food Processor with 1500W:BL770A 30/ BL770 30/BL773CO 30/BL771 30/BL772 30/ and 1200W NINJA BLENDER BL780 30/BL780CO 30Plum blossom tooth gear of pro extractor blade can be fit：NINJA ULTIMA BLENDER: BL800 30 /BL810QSL 30/BL830CB 30 /BL810QON 30/BL810 30/BL820 30/BL830 30 fix the cup when you are ready for food in the cup,then you screw the square blade on the cup. Check the swich support pod on the blade base When you fix the cup on the blade ,please check the pod is push from cup at back side of blade case. Mark of alignment lock Please check the Mark of alignment lock on the machie and blade case. fix on the machine you can rotate the blender cup then you can fix the blade case on the machine Screw cup fix blade check the support pod check the base lock switch fix on the machine Why do you need New square Pro extractor blade or Milling blade or ice shaver blade for ninja blender This is new style pro extractor blade for your ninja machine they can fix 12OZ/18OZ/24OZ/32OZ Cup. This Blender blade cup smaller than the regular large container,and bigger than 16oz cup ,will be great for your live. Pro extractor blade cortar en trozos Mezclar Salsas licuados congelados jugos con nurientes /Batidos smoothie coffee soymoothie Ice shaver blade PULSE:veggie frittath/Chick pea untuna salad/Chunny black bean dip BLEND:nutriblast smoothies/Protein-packed banana pancakes/avocado bisque CRUSH:Grain-free chicken tenders/strawberry mint slushie/Vegan black bean veggie burger VARIABLE SPEED:Cilantro lime avocado toast/Garlic mashed cauliflower/Chocolate avocado pudding shake extroactor blade This blade blend all fruits and vegetables into drinks, MILLING BLADE blending soft baby foodFruit smoothiesSalad dressingsmaking dipsGrinding coffee bean What model of ninja we can fixed Can be fit model below： fit Ninja Professional Countertop Blender with 1100-Watt BL660 30/BL660B 30/ Ninja BL665 QCN-30 and Ninja Professional 1000W Blender Smoothie Maker BL663 BL663CO 30 / BL660WM 30/ BL740 30