BUNN BCG-W Small Size Home Coffee Grinder with Commercial Burrs for Best Coffee Flavor. This Bunn Home coffee grinder is 4″ wide, 8″ deep, and 10.5 tall. Most ho me coffee grinders use blades or knives that can cause bitterness, but this Bunn grinder uses commercial burrs to crush the beans resulting in better-tasting coffee. The multi-stage grinding system also works to draw the optimal flavor from the coffee and a heavy-duty motor ensures that the machine will last for years. A safety switch prevents you from grinding beans unless all the parts are in place and the 5-oz. Coffee collector makes it easy to pour the grounds right into a coffee filter. Includes timer, hopper, lid, dial settings, and a slide in/out ground coffee collector tray. Throughly tested and works great! Grinds whole coffee beans into different grind sizes depending on what setting is selected on the grind size selector as seen inside the whole bean storage hopper.