This 7-fin replacement blender blade, measuring 3.94 inches (10cm) in diameter, is specifically designed for cups with 18oz, 24oz, and 32oz capacities. Crafted from quality plastic and stainless steel, it effortlessly minces fruits, vegetables, superfoods, and protein shakes, creating a delicious smooth texture. Compatible with Nutri Ninja Pro models BL450-30, BL456-30, BL451-30, BL454-30, and Nutri Ninja Auto-iQ models BN751, BN800, BN801, as well as various other models including BL481-30, BL482-30, BL490-30, BL681A-30, BL682-30, BL642W, BL682, BL680A-30, BL681A, BL681C, BL682-30, BL682QT-30, BL685-30, BL687CO-30, CT680SS, CT680CO2SS, CT641-30, BL487-30, BL488W-30, BL487A-30, BL486CO-30, BL480D, BL491-30, BL492-30, BL492W-30, as well as Foodi Power Blender SS351 and SS401.