The Mahlkonig 703166 grind size adjustment ring set is a game-changer for commercial kitchens relying on E80S or E80S GbW espresso grinders. This complete set is designed to restore smooth, precise calibration across the full grind range, ensuring that every shot turns out consistent and high-quality. Whether you're serving baristas or running a high-volume café, this part is essential for maintaining performance without frequent adjustments. Built for routine replacement, it helps operators dial in perfect espresso extraction without the hassle of misalignment or wear. For restaurant owners and café managers, this means less downtime and more reliability in your espresso setup—critical when every second counts in a fast-paced kitchen. Made by Mahlkonig, a trusted name in commercial coffee equipment, this set is built to withstand the demands of commercial use while delivering the precision needed for exceptional espresso.