[Fit For]-- The replacement extractor blade is compatible with NutriBullet 600w or Pro 900w Series. 600w models: NBR-0601, NBR-1201, NB-101, NB-101B, NB-101S. 900w models: NB9-1301, NB-201. [Not Fit For]-- Not compatible with NutriBullet RX (1700 watts), NutriBullet Lean (1200 watts), Baby Bullet, or Nutri Ninja bls. Please verify your bl model before purchasing. [Powerful Stainless Steel Extractor Blades]-- High-speed blade constructed from food-safe stainless steel and sealed with silicone rubber gaskets. Durable design helps prevent leakage. Utilizes cyclonic action to efficiently break down tough ingredients. Ideal for making smoothies, omelets, snacks, and nut butters. [Included]-- 1 x Replacement emulsifier cross blade assembly with 1 x silicone rubber gasket O-ring pre-installed. Blade dimensions: Outer/Inner Diameter: 10.5/9.8cm, Height: 4.2cm. Package Contents: 1 x Replacement extractor cross blade. Note: The package includes only the items listed above. Lighting and display differences may cause slight color variations between the product image and the actual item. Measurement may vary by +/- 1-3cm.