The NutriBullet 600W 900W NB-101B NB-101S extractor blades replacement set includes two gray plastic blades suitable for countertop blenders. This replacement part is designed for NutriBullet models NB-101B, NB-101S, and NB-201, offering a 90-day manufacturer warranty. Ideal for those in need of a high-quality replacement for their blender, these blades ensure smooth and efficient blending performance.