REPLACEMENT BLENDER BLADE - As your Blender's life goes on, If your Blender is leaking or getting noisier when blending, it is time that you need to replace your blade. This 6 Fins Blender Blade Assembly is designed to ice, seeds, nuts, fruit etc with ease that improves your blender performance.COMPATIBILITY - This Single Blender Blade Compatible with Ninja Blender BL660, BL663, BL663CO, BL665Q, BL610, CT610, CT610C, NJ600; BL740, BL770, BL770W, BL771, BL771C, BL772, BL772Q, BL773CO, BL773CCO, BL780; BL770A 30, BL770 30, BL773CO 30, BL771 30, BL772 30; BL780 30, BL780C0 30. NOTE: Only replacement for single 16 cups (6 Fins), not replacement for 18oz, 24oz, 32oz.PROFESSIONAL DESIGN - This blender blade replacement is made of high quality food stainless steel & PP material, which provides safety, durability and enduring value. Meets or exceeds standards, 100% tested shipping. The Blender Blade fit for Ninja Blade Assembly Model 303KKU, 307KKU, 356KKU800, 322KKU770.PACKAGE INCLUDED - 1 x Ninja blender blade replacement (fits 16 Blender Cup) & 1 x Gasket Rubbers. 3 inches (height) x 3.35 inches (diameter). The rubber gasket Seal O-Ring is installed already in this replacement blade, you can use this 6 Fins Blender Blade without any other operation.Colour:blackMaterial:Plastic+Stainless SteelPackage Contents:1 x Blender BladeOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.