[Fit For]-- The replacement extractor blade is compatible with NutriBullet 600w or Pro 900w Series. Models include: 600w units: NBR-0601, NBR-1201, NB-101, NB-101B, NB-101S; 900w units: 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. 1 x Silicone rubber gasket O-ring pre-installed in the blade. Blade dimensions: Outer diameter/inner diameter: 10.5/9.8cm, height: 4.2cm. [Note]-- The silicone rubber gasket O-ring is pre-installed but may become loose during shipping. Ensure it is securely positioned in the blade before use for optimal performance. Color: Gray Material: Plastic + Stainless Steel Package Contents: 1 x Replacement extractor cross blade assembly Only the items listed above are included; other products are not included. Note: Lighting and display settings may cause slight color variations between the product image and the actual item. Measurement error allowance is +/- 1-3cm.