Aluminum dial upgrade: This solid aluminum grinder setting dial provides an expanded 10 to 100 scale for precise grind adjustments, improving espresso and coffee results. It is compatible with various Mignon grinders. Expanded accuracy control: Converts the standard 10point adjustment into a refined 100point system, enabling microadjustments to capture subtle differences between grind settings for better extraction and flavor development with freshly ground beans. Professional craftsmanship: The faceplate is machined from solid aluminum alloy and measures 14.8 x 14.8 cm. It resists scratching and wear while delivering a sophisticated look and durable performance for coffee enthusiasts who value both function and style. Straightforward installation: Includes access to a detailed installation video guide that walks you through a simple replacement process. No special tools are required, and the upgrade is designed to be compatible with existing components while preserving original functionality. Use scenarios Dialing in a roast for espresso: Use the 10 to 100 scale to microadjust grind settings to achieve extraction and balanced flavor. Switching beans or grind targets: Make small, precise adjustments to maintain consistent extraction when changing bean origin, roast level, or batch. Multimethod home setup: Quickly adapt your grinder for different brew methods (espresso, lungo, filter) by selecting precise settings that optimize flavor without replacing components.