REPLACEMENT BLENDER EXTRACTOR BLADE - As your Blender's life goes on, If your Blender is leaking or noisier when blending, it is time that you need to replace your extractor blade. This 6 Fins Blender Extractor Blade Assembly is designed to crush ice, seeds, nuts, fruit etc with ease that improves your blender performance. COMPATIBILITY - This Single Blender Blade Compatible with 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 oz cups (6 Fins), not replacement for 18oz, 24oz, 32oz. PROFESSIONAL DESIGN - This blender blade replacement is made of high quality food grade stainless steel & PP material, which provides safety, durability and enduring value. Meets or exceeds standards, 100% tested before shipping. The Blender Blade fit for Extractor Blade Assembly Model 303KKU, 307KKU,