The Ninja blender alternative elements is optimal fit with spb-600ca, bfp-10, bfp-10ch, bfp-703, cb-5, cb-6, cb-7, cb-8, cb-9, fpb-5, fpb-5c, fpb-5pc, sb-5600, spb-10, spb-10ch, spb-5, spb-6, spb-7, spb-7bch, spb-7ch ect. Ninja blender replacement elements use meals grade steel blender knife & rubber gasket can relaxation guaranteed that the blender replacement points are in touch with food. Blade is sharp enough to overwhelm ice, milk, fruit, meat, protein powder. High-quality rubber ring can stop leakage when the mixer is in operation Ninja blender blades 7 fin is the best substitute blades for Nutri Ninja, it allows your juicer to be used again, very appropriate for all of your blending and mixing needs, easily blending outcome and vegetables and protein shakes are overwhelmed into delicious, smooth textures. No other tools mandatory throughout installation use the matched Iron hook to put in the Gasket Rubber. 1. Your motor base should be 7 fins. The Replacement Blade can not match all the 7 fins blender's motor base: there are too many items of blender blade, if the final two digitals(not a part of mannequin #) or any persona is difference, please don't buy it 2. Your blender model needs to be similar with our recognized mannequin COMPATABLE WITH 7 fins model 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. NOT FIT FOR BL660, BL663, BL740, BL770, BL771,BL773CO, BL780, BL780,BL820,BL830,BL450,BL451-70,BL454-70,BL482-70. Please test your model closely before purchasing. Colour: black Material: plastic + stainless steel Package Contents: 1 x knife holder Only the above package content, other merchandise shouldn't included. Note: Light shooting and assorted displays can cause the color of the item in the photograph just a little different from the genuine thing. The size allowed error is +/- 1-3cm.