Warm Prompt: Please confirm it is 5 fins and 3.15 in (8.5 cm) diameter before purchase. Please measure the base fins number and size of the blade. Replaceable Model: The 5-fins blender blade fits Ninja blender models: QB3000, QB3000SSW-30, QB3000QR-30, QB3001SS-30, QB3000QBK, QB3004, QB3005. Not Compatible: This blade is not compatible with 7-pin/fin or 6-pin/fin models. It is also not compatible with blender models starting with BL2, BL4, BL6, BL7, BL8, BN, NJ, NN, CT, QB. Tips: 1. Do not overfill. To avoid overflow, do not add ingredients that exceed the “maximum” fill line. 2. Do not run the blender for more than 4 minutes at a time to avoid overheating. 3. For optimal performance, replace the blender blade every 6 months, depending on frequency of use. 4. Before use, check whether the bottom gear is loose. If loose, tighten it. 5. Ensure the rubber gasket is properly seated on the bottom of the blade assembly to prevent leakage. Statement: This 5-fins blender replacement part is not an product. Its design and production meet specifications, and its functionality matches that of the . Brand names mentioned are used solely to indicate compatibility. Product Specifications: Item Type: 5-Fins Pro Extractor Blade Assembly for Nutri Ninja Blender Blade Size: 3.15 in (Diameter) × 3.1 in (Overall Height) Blade Weight: 0.88 lb (for 2 pcs) Blade Shape: Cross Blade Color: Black Material: Plastic + Stainless Steel Package Contents: 1 × Base 3 × Sealing Ring 1 × Cleaning Brush (random color; no color selection available) Note: The package includes only the items listed above. Other accessories are not included. Lighting conditions and display settings may cause slight color variation between the image and the actual product. Measurement tolerance: ±1–3 cm.