The Extractor Blade Replacement Part for NutriBullet blenders has the power to break down, pulverize, and emulsify foods so you can unlock the hidden nutrition inside the foods that you eat! Screw it on to your cup, place it on your power base, and watch our exclusive cyclonic action go to work, not only extracting all of your foods' nutrients but actually breaking them down to a predigested state, easing the stress put on your digestive system and helping you achieve optimum health. Compatibility: Compatible with both 600W and 900W NutriBullet Blender models NB-101B and NB-101S. The extractor blade fits NutriBullet 18 oz, 24 oz, and 32 oz cups perfectly. The blade comes with a rubber gear. All rubber gears are reverse threaded. Designed and threaded to ensure a secure, tight fit. Extractor Blade Dimensions: Height: 1.7 inches Diameter: 4 inches (6 fins) Package contains: 2 (two) extractor blades for NutriBullet blenders. Please note: NOT COMPATIBLE with Nutri Ninja, NutriBullet RX, Magic Bullet, or Baby Bullet blenders.