PLEASE CHECK: Before purchasing, verify your existing blades by counting the fins. Ensure your current blade has 6 fins and measures 4.1 inches. BEST REPLACEMENT: If your Nutri Ninja bl leaks or produces increased noise 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: This blade is constructed from high-quality stainless steel, effectively blending fruits, vegetables, superfoods, and protein shakes into a smooth, consistent texture. 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 dislodged during shipping. Inspect before use and ensure it is properly seated in the replacement bottom blade. COMPATIBILITY: This 7-fin blade is designed for use with Nutri Ninja bl models BL2012, BL2013, BL480, BL480D, BL481, BL482, BL486CO, BL487, BL487A, BL488W, BL490, BL491, BL492, BL640, BL641, BL642, BL642W, BL642Z, BL680A, BL682, NN100A, NN101, and NN102. This information is provided solely to confirm accessory compatibility. Color: Black + Silver Material: Plastic Package Contents: 1 x Tool holder 1 x Sealing ring The package includes only the items listed above; additional products are not included. Note: Lighting effects and monitor settings may cause slight variations in color appearance. Measurement may vary by +/- 1-3 cm.