Depending on your usage, we recommend you replace your NutriBullet Extractor Blade every six months or as needed to ensure optimal performance. Or why not keep an extra one handy to make even more of your favourite NutriBlast creations! The unique design of the Extractor Blade, generates the powerful Bullet Cyclonic action to maximise extraction, breaking through tough seeds, thick stems and tough skin to access the hidden nutrition inside. Includes inner leak-preventing seal. 80mm blade size. High Quality Japanese Stainless Steel Blade. This product is covered by our 30 Day Money Back Guarantee (Terms & Conditions Apply).