NutriBullet Extractor Replacement Blade Assembly CX4519 Black Stainless Steel NutriBullet Extractor Replacement Blade Assembly CX4519 ensures your blender maintains peak performance. This genuine replacement part features a durable stainless steel 4-prong blade designed to pulverize tough ingredients, seeds, and stems. The high-quality black plastic base includes a secure gasket for a leak-proof seal. Gently used. It fits 600W and 900W models. Smoke Free, Pet Friendly Home. #Contemporary