[Compatibility Notice] Compatible with for 7-fins models using 4inch (10cm) diameter cups. Fits: BL2012, BL2013, BL480, BL480D, BL481, BL482-30, BL486CO, BL487, BL487A, BL488W, BL490, BL491, BL492, BL492W, BL640, BL641, BL642, BL642W, BL642Z, BL680A, BL682, NN100, NN100A, NN101, NN102. Not compatible with 16oz cups or certain models such as BL660, BL770, and BL780. Please verify your blender base and cup size before purchase. [ Materials] Made from food-grade plastic and metal for long-term use. Rust-, sturdy, and safe for dishwasher cleaning. Designed for consistent performance and reliability. [Package Contents] Includes 2 x 7-fins replacement blade assembly (pre-installed with one rubber gasket). Easy to install without additional tools. [Powerful Performance] Perfect for making smoothies, frozen drinks, and more. Blends ingredients quickly and evenly with no leaks when properly installed. [Helpful Reminder] Before ordering, please double-check your blender model and the cup diameter is 10cm (4inch) with a 7-fins blade system. Color: As Shown Material: Plastic+Metal Package Contents: 2 x 7-fins replacement blade assembly 2 x rubber washer 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.