1. Strong cutting, efficiency juice Spiral sharp blades with a golden cutting angle design and speed rotation efficiently break through cell walls of fruits and vegetables. Juice yield is about 40% higher than an ordinary knife base. Handles hard carrots and cores, fiberrich celery, sugar cane, and other ingredients; produces finely filtered juice with reduced pulp for better taste. 2. Foodgrade materials, safe and secure The main body of the knife base is made of medicalgrade stainless steel, safe for alkali and direct contact with ingredients without risk of heavy metal precipitation. Impeller blade is hardened to resist edge rolling and chipping, ensuring longterm safe and reliable performance. Suitable for family use, including households with children. 3. Multimodel adaptation, strong compatibility 6blade base is suitable for BL771/BL773co/BL810/BL820/BL830. 7fin blade base is suitable for BL2012/BL2013/BL480/BL480D/BL481/BL482/BL486CO/BL487/BL487A/BL488A/BL488A/BL488A/BL488A/BL488A/BL488A/BL488A. BL487A/BL488W/BL490/BL491/BL492/BL492W/BL640/BL641/BL642/BL642W/BL642Z/BL680A/BL682/NN100A/NN101/NN1. meets all of your mixing and blending needs. 4. Precision craft, quiet and durable precision concentric shaft design ensures the knife block and motor fit smoothly when running, reducing vibration and noise. Operating noise can be as low as 55 decibels, allowing juicing without disturbing others in the home. Thickened and reinforced knife base withstands longtime, intensity operation, delivering a service life far beyond similar products. 5. Practical use scenarios Daily morning juice for the family: quiet operation, juice yield, and minimal pulp for a smoother taste. Juicing fibrous vegetables or sugar cane: efficient processing with consistent results and reduced waste. Babyfriendly or familysafe juice prep: safe materials and reliable performance for regular use.