The 3.5-amp motor coarsely chops or grinds your materials — use to pre-grind materials before fine grinding. Base and 700-mL containers are polycarbonate; blades are 420 stainless steel. Easily remove the containers for cleaning and sanitizing. Three-position switch for on, off, and pulse settings. Use the chopping assembly for soft and fibrous materials — cover includes openings for adding additional sample while processing. Grind nuts, seeds, and other hard materials by installing the grinding assembly.