The 7 fins blade is suitable for Ninja Auto iQ BL2012, BL2013, BL480, BL480D, BL481, BL482-30, BL486CO, BL487, BL487A, BL488W, BL490, BL491, BL492, BL492W, BL640, BL641, BL642, BL642W, BL642Z, BL680A, BL682, NN100, NN100A, NN101, NN102, BL2012 (Only fit for 18oz, 24oz, 32oz cup not fit for 16oz). Mixer With extremely sharp and anti- 7 fin blades, the fruit Ninja blade are specially designed to tear through the toughest ingredients. High- materials: The blade replacement of the ninja is made of high-strength stainless steel blades. non-oxidizing, reusable mixer blade, built-in rubber gasket, will not leak. Effortlessly pulverizes fruits, vegetables, superfoods and protein shakes into a delicious, smooth texture, chopping up ice, ice cream, sherbet, yogurt, fruit is a piece of cake. KIND REMINDER PURCHASE: Your motor base must be 7 fins. The for Nutra Ninja Replacement Blade can't fit all the 7 fins 's motor base: there are too many models of ninja blade, if the last two digitals(not part of model #) or any character is difference, please 't purchase it. Colour: black Material: stainless steel Size: 7 knife holder: 10cm Contents: 2 * 7 knife holder 2 * Sealing ring 2 * Cup brush (random colors, 't accept the specified color) Only the above content, other are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.