The burr for high-volume cafés (more than 30kg per week) requiring highest grind speeds and dosing consistency over long demand periods made in Germany by Mahlkönig. Record performance of up to 7g/sec for recipes of 18gs and 40ml extraction in 30 seconds. Fastest beverage preparation and best taste for up to 1.200kg of grinding volume. Material: hardened special steel Diameter: 80mm Finish: glass bead blasted for optimal deburring and prevention of burr settling behavior Hardness: 64-66 HRC (Rockwell) Medium Setting Grind Life: ca. 1.500kg Product Weight: 0.43 kg For the E80S and E80S GBW espresso grinders.