Perfect Fit for Ninja: Specifically designed for Ninja blenders, including BL660/66OA, and more, this replacement kit for the 72 oz pitcher ensures your blender runs like new without the need to invest in a costly new appliance.[Restore Full Functionality]: Refresh your blender's performance with our bottom base blender blade driver clutch and drive pin stud, ideal for replacing worn-out or damaged parts, ensuring smooth operation and prolonged usability of your appliance.[Constructed for Durability]: Made with superior quality stainless steel and robust plastic, these parts are engineered to resist wear and corrosion, offering reliable durability and continued high performance in your kitchen blending routines.[Installation and Compatibility Tips]: Effortlessly install these non- aftermarket parts designed to match multiple FOR Ninja Series blenders. Ensure compatibility by consulting the exact blender model numbers before purchase to achieve the best fit. Colour:BlackMaterial:Plastic+Iron Package Contents:1 * Blender Replacement Parts Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.