[Compatible with]The 6 Fins Ninja replacement parts compatible with Nutri Ninja Auto iQ 900W: BL450-70, BL451-70, BL454-70, BL455-70, 1000W: BL480-70, BL480W-70, BL481-70, BL482-70, BL483-70,BL484-70 ect. Please confirem your blender base is 6 Fin Female before placing an order! thanks. [Premium Quailty]The ninja blade replacement is made of food-grade high quality material, all the materials are BPA free, dishwasher safe and anti-corrosive. [Saveing Money]The ninja blender replacement blade is a common replacement part. this seal sits between the top of the blade and the bottom of the jar. If your juicer has problems such as water leakage, , etc. The part can perfectly solve these problems of your blender. It'll help you save money then don't having to buy a juicer. [Note]Base Diameter: 3.94 inches/10cm, fits for 18/24/32 OZ cups, NOT fits for 16 OZ cups. color:Black Material:ABS+stainless steel Package Contents: 1 x 6 Fin Bottom Blade Replacement 2 x Sealing Washer Only the above package content, other products are not included. Note: Light shooting 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.