Blender Replacement Parts, Standie Replacement Bottom 7 Fins and 3 Gasket Rubber for Nutri Ninja Auto iQ BL487/492/490/491/682/642/641/640/486/482/450-30 Nutri Ninja Blender Auto iQ 7 Fins Blade Assembly (Black) PACKAGE INCLUDED: 1x 7 Fins Bottom Blade Assembly 3 x Replacement Gasket Rubber SPECIFICATION: Blade material: stainless steel Blade shape: Cross Blade This Ninja Blender Accessories Suit for: Nutri Ninja Auto iQ BL480 BL480D BL481 BL482 Auto-iQ Complete Extraction System BL486CO. PAY ATTENTION TO BEFORE USE : 1. Please check whether the gear of the bottom loosen or tighten before use. If it's loosen, please tighten it. 2. Please check the rubber gasket and be sure it is put snugly into the bottom blade. (The rubber gasket is used to avoiding a leak) 3. Do not overfill! To avoid spilling, do not add ingredients past the “Max” fill line. Place the replacement blade onto the cup and screw it tightly until you have a good seal. 4. Please make sure it in right place and locked tightly. Do not run your blender over 4 minutes at a time to prevent overheating of the blender.