Cuisinart Replacement – Designed for a perfect fit with Cuisinart CPB-300, CPB-300PK, and CPB-300W models. Premium Quality Construction – Made with durable, high-performance materials to ensure long-lasting functionality. Easy to Install – Quick and simple replacement for your cutting assembly, restoring your blender to peak performance. Precision Cutting – Designed to deliver consistent, efficient cutting for smooth blending and food prep. Fits Only the Models Pictured – Ensure compatibility by checking the image to confirm that your model is shown.