?Made of premium stainless steel and abs material, high hardness, not easy to break ?Made of premium stainless steel and abs material, high hardness, not easy to break ?A great replacement part for blender, make your juicer can be used repeatedly ?Extractor Blade fits in easily and can be removed easily ?The 6-fin blade base is fit for BL771/BL773co/BL810/BL820/BL830. The 7-fin blade base is fit for BL2012/BL2013/BL480/BL480D/BL481/BL482BL486CO/BL487/BL487A/BL488W/BL490/BL491/BL492/BL492W/BL640/BL641/BL 642/BL642W/ BL642Z/BL680A/BL682/NN100A/NN101/NN1 ?Perfect for all your blending and mixing needs 6 7 Fins Gear Blender Bottom Blade for Nutri Ninja Pro Extractor Blade Nutri Ninja Auto iQ BL480-30 BL482 BL642 NN102 BL682 BL2013 BL640 BL642Z BL480D Nutri Ninja Blender Auto iQ Blade1# - SLAQVPH2