CHECK: Verify your existing blades by counting the fins. Your current blades should have 6 fins and measure 4.1 inches. REPLACEMENT: If your blender leaks or becomes louder during blending, it’s time to replace the extractor blade. It is recommended to inspect the bottom blade regularly and replace it every 6 months for optimal performance. CONVENIENT AND FAST: The blade is made of high-quality stainless steel, effectively blending fruits, vegetables, superfoods, and protein shakes into a smooth texture. After use, it is dishwasher-safe for easy cleaning. PACKAGE INCLUDES: 1 x bottom blade. Note that the rubber gasket may become loose during shipping. Please check before use and ensure it is securely fitted onto the replacement bottom blade. COMPATIBILITY: This 7-fins blade is compatible with BL2012, BL2013, BL480, BL480D, BL481, BL482, BL486CO, BL487, BL487A, BL488W, BL490, BL491, BL492, BL492W, BL640, BL641, BL642, BL642W, BL642Z, BL680A, BL682, NN100A, NN101, and NN102 blenders. This list is provided solely to indicate accessory compatibility. Color: Black + Silver Material: Plastic Package Contents: 1 x tool holder 1 x sealing ring Note: Color variations may occur due to lighting and screen settings. Measurement tolerance is ±1–3 cm.