Coffee grinders typically consist of a motorised unit with grinding blades or burrs that pulverize coffee beans into grounds of varying sizes, from fine to coarse, depending on the desired brewing method. There are two main types of coffee grinders: blade grinders, which use spinning blades to chop the beans, and burr grinders, which crush the beans between two abrasive surfaces. Using freshly ground coffee beans can enhance the flavor and aroma of brewed coffee, making coffee grinders an essential tool for coffee enthusiasts who prefer to grind their beans just before brewing.