This upgraded replacement blade is specifically designed to fit 4-inch male 7-fins blender models. Before purchasing, we recommend comparing it with your machine using a credit card as a guide. If the credit card length matches your machine's diameter, this blade may not be suitable and you should consider the 3.35-inch version instead.

Important Compatibility Note:

• Not compatible with 16oz cups or blenders that include a 3.35-inch blade (e.g., BL660, BL663, BL740, BL770, BL771, BL773CO, BL780, BL810, BL820, BL830)
• Not for 6-fins blenders or models with a female blade
• Not for Ninja SS series blenders such as SS101, SS351, SS300, SS151

Key Benefits:

• Engineered to resolve common issues like cracking, leaking, and rust after extensive research and testing
• 100% BPA free and safe for use in food preparation
• Dishwasher safe for easy cleaning and long-term hygiene

We prioritize the quality of our products and the satisfaction of our customers. If you have any questions or need assistance, please reach out to our support team. We are committed to providing you with the best service and ensuring your blender performs at its best for years to come.