Before purchasing, please verify your current blade matches these specs: - Fins: 7 fins - Fins type: male fins - Diameter: 4 inches (10 cm) 7 fins blade compatibility - Nutri Ninja Auto-iQ: BL480-30, BL480D-30, BL481-30, BL482-30, BL490-30, BL681A-30, BL682-30, BL641, BL642W, BL682 - Nutri Ninja Auto-iQ Pro Complete: BL487-30, BL488W-30, BL487A-30, BL486CO-30 - Nutri Ninja Auto-iQ Compact System: BL491-30, BL492-30, BL492W-30 Not compatible - Not fit with BL66x, BL77x, BL8xx - Not fit for models ending with 70: BL450-70, BL451-70, BL454-70, BL480-70, BL484-70, BL481-70, BL482-70, BL483-70 Use scenarios - Replace a worn blade to restore blending performance for smoothies and shakes - Use for crushing ice and frozen fruit in compatible Auto-iQ models - Prepare purees, sauces, or finely chopped ingredients in a compatible system