Warm Prompt Please verify it's 5 Fins and 3/8 diameter earlier than purchase. Please measure the bottom fins number and length of the original blade. Replaceable Model The 5 Fins blender blade fit for Ninja blender models: QB3000, QB3000SSW-30, QB3000QR-30, QB3001SS-30, QB3000QBK, QB3004, QB3005. Not Compatible 7 Pins/Fins, 6 Pins/Fins, If your blender model begins with Bl2, Bl4, Bl6, Bl7, BL8, BN, NJ, NN, CT, QB, this blade is not well suited together with your blender. Tips: 1't overfill! To keep faraway from overflow, do not add components that exceed the "maximum" fill line. 2 not run the blender for more than four mins at a time to avoid overheating. three reminder that your ninja blender blade is healthier to get replaced every 6 months. (Specific in preserving along with your frequency of use) 4 verify whether or not the bottom tools is loose earlier than use. If it is loose, please tighten it. five yes the rubber gasket is glued to the lowest blade to bypass leakage. Statement: The 5 fins Blender blades alternative section we promote are usually not normal product. The design and manufacturing comply with the unique standard. Its function can attain the unique level. The brands stated above are only used to show compatibility. Product Specifications:Item Type: five Fins Pro Extractor Blade Assembly for Nutri Ninja blender Blade Size: 3 in (Diameter) x three in (Overall height) Blade Weight: zero (2PCS) Blade Shape: Cross Blade Colour: Black Material: plastic + chrome steel Package Contents: 1 x base three x sealing ring 1 x cleansing brush (random coloration Do not accept designation) Only the above package content, varied merchandise usually are not included. Note: Light shooting and assorted exhibits can cause the color of the object in the photograph a bit of assorted from the genuine thing. The size allowed error is +/- 1-3cm.