Check the listing for details. Replacement Extractor Blade, Fit for NutriBullet 600w/ 900w Pro Extractor Blade. Color: Black, Condition: New. Listed at 19.66 USD. PREMIUM QUALITY: Each Nutri bullet replacement blade is made of stain less steel blade and premium quality plastic shell, and comes with a gasket (made of silicone material) and 6 fins on the bottom. These cross blades are perfect for chopping, grating, mixing, and blending foods such as onions, cheeses, meats, smoothies, sorbets, and frozen drinks. They are also ideal for making refreshing frozen cocktails, mock tails, milkshakes, homemade hummus, creamy soups, or homemade baby food. Compatible Models: The Replacement Extractor Blade is compatible with Nutri Bullet Original 600 w or Pro 900 w Series. Models are listed below. 600 units number: NB R-0601, NB R-1201, NB-101, NB-101 B, NB-101 S; 900 units number: NB 9-1301, NB-201. Tip for Use: The blade comes with a pre-installed Silicone Rubber Gasket O Ring. During transportation, the O Ring may become loose. Please ensure it is snugly in place before use for optimal performance. Additionally, please check the black gear at the bottom of the blade. Can be screwed on counterclockwise in case of looseness. After Service: We are committed to making every customer satisfied with items. If you receive unsatisfactory products, please feel free to contact us.