PLEASE CHECK: Before buying, please verify your existing blade by counting the fins. Your current blade should have either 6 fins and be 4.1 inches or 7 fins and 4.1 inches.BEST REPLACEMENT: If your Nutri Ninja blender leaks or becomes louder during operation, it may be time to replace the extractor blade. It is recommended to inspect the bottom blade regularly and replace it every 6 months for optimal performance.CONVENIENT AND FAST: The blade is made of high-quality stainless steel and effectively blends fruits, vegetables, superfoods, and protein shakes into a smooth consistency. After use, the blade is dishwasher safe for easy cleaning.PACKAGE CONTENTS: 1 x bottom blade replacement. Please note that the rubber gasket may become loose during shipping. Please check and ensure it is securely fitted into the replacement bottom blade before use.COMPATIBILITY: This 6-fin blade is compatible with Nutri Ninja models 900W BL450-70, BL451-70, BL454-70, BL455-70; 1000W BL480-70, BL480W-70, BL481-70, BL482-70, BL483-70, BL484-70.This 7-fin blade is compatible with Nutri Ninja models BL2012, BL2013, BL480, BL480D, BL481, BL482, BL486CO, BL487, BL487A, BL488W, BL490, BL491, BL492, BL492W, BL640, BL641, BL642, BL642W, BL642Z, BL680A, BL682, NN100A, NN101, NN102. Compatibility refers only to the accessory fit.Color: Black + Silver Material: Plastic Package Contents: 1 x Tool holder 1 x Sealing ring Note: Light reflection and differences in display screens may cause slight variations between the color of the item in the image and the actual product. Measurement may vary by +/- 1-3 cm.