Specifically designed for bl s, including BL660/66OA and other compatible models, this replacement kit for the 72 oz pitcher helps restore your bl 's performance without the need to purchase a new appliance. Restore full functionality with this bottom base bl blade driver clutch and drive pin stud, ideal for replacing worn or damaged parts to ensure smooth operation and extended appliance life. Constructed with high-quality stainless steel and durable plastic, these components are built to resist wear and deliver reliable performance for everyday blending tasks. Designed for easy installation, these replacement parts are engineered to fit select bl models. Verify compatibility with your specific bl model before purchase. Color: Black. Material: Plastic + Iron. Package Contents: 1 x Bl Replacement Parts. Note: Light reflection and display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.