General description This 6 Fins Blender Extractor Blade Assembly is designed to enhance your blender's performance by efficiently crushing ice, seeds, nuts, and fruits. If your blender is leaking or becoming noisier during operation, it may be time to replace the extractor blade. Technical specifications Height: 3 inches Diameter: 3.35 inches Material: Food grade stainless steel and PP plastic Compatible with: Extractor Blade Assembly Model 303KKU, 307KKU, 356KKU800, 322KKU770 Compatibility and accessories Compatible with Blender models: 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 Package includes: 1 x blender blade replacement (fits 16 oz Blender Cup) & 1 x Gasket Rubber Installation The rubber gasket Seal O-Ring is pre-installed in this replacement blade, allowing for easy installation without any additional