"An entry-level single-dose grinder whose metal body writes checks its unknown internals may not cash."
The '80 adjustable settings' feature provides a large number of clicks, but this doesn't guarantee 80 distinct, consistent grind sizes. It means you have many adjustment points, but their precision and repeatability, especially for espresso, are questionable without higher-end engineering.
This is a potential first step for someone moving from a blade grinder to a burr grinder on a sub-$100 budget. The single-dose workflow and metal exterior are appealing features if you're willing to gamble on the unproven grind mechanism.
Anyone serious about dialing in espresso or achieving high consistency for pour-over should allocate more budget to a grinder with proven, specified burrs. The absence of core specs means you are buying a feature list, not guaranteed performance.