About This Item Precision-engineered 64mm burr set designed for F64 EVO coffee grinders External diameter of 64mm internal diameter of 37mm and thickness of 8.5mm Three strategically placed holes enhance grinding efficiency for consistent extraction Ensures uniform grind size for perfect espresso shots every time Meticulously crafted for unmatched precision and reliability Overview Color : Silver Brand : Fiorenzato Material : Steel Style : Silver Item Weight : 9.6 ounces