Warm Prompt: Please confirm it is 5 fins and 3.15 inches (8.5 cm) diameter before purchase. Measure the base fins number and size of the original blade. Replacement Model: This 5-fin bl blade is compatible with Ninja bl models QB3000, QB3000SSW-30, QB3000QR-30, QB3001SS-30, QB3000QBK, QB3004, and QB3005. Not Compatible: This blade is not compatible with bls that have 7 fins, 6 fins, or models starting with BL2, BL4, BL6, BL7, BL8, BN, NN, CT, or QB. Tips: 1. Do not overfill. To avoid overflow, do not add ingredients above the "maximum" fill line. 2. Do not operate the bl continuously for more than 4 minutes to prevent overheating. 3. It is recommended to replace the bl blade every 6 months, depending on usage frequency. 4. Check that the bottom gear is secure before use. If loose, tighten it. 5. Ensure the rubber gasket is properly attached to the bottom of the blade to prevent leaks. Statement: This 5-fin bl blade replacement is a third-party accessory designed to fit select Ninja models. The design and construction meet original specifications for functional performance. References to model numbers are for compatibility purposes only. Product Information: Item Type: 5 Fin Pro Extractor Blade Assembly for bl Blade Size: 3.15 inches (diameter) x 3.1 inches (overall height) Blade Weight: 0.88 lb (for 2 pieces) Blade Shape: Blade Color: Black Material: Plastic and stainless steel Package Contents: 1 x base 3 x sealing rings 1 x cleaning brush (random color, no substitutions accepted) Note: The package includes only the items listed above. Other accessories are not included. Note: Lighting and display settings may cause slight color variations between the product image and the actual item. Measurement tolerances may vary by +/- 1–3 cm.