1Zpresso — manual Grinder
1Zpresso J-Ultra Review
The flagship espresso hand grinder. 48mm coated burrs with an ultra-precise 8-micron-per-click external adjustment and magnetic catch cup.
Endgame ManualEspresso Specialist
Burr Typeconical
Burr Size48mm
Materialsteel
Best Forespresso
AdjustmentStepped
WorkflowSingle-Dose
Price$219–$259
CountryTaiwan
What We Love
✓8 microns per click precision
✓External adjustment dial
✓Magnetic catch cup
Room for Improvement
✗Heavy for travel
✗Premium price for a hand grinder
✗Overkill for filter-only users
Technical Specifications
| Microns Per Click | 8μm |
| Weight | 670g |
| Bean Capacity | 30g |
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Reviewed byHassan
Hassan is a software developer with a coffee problem. Coffee Grinder Index is his attempt to solve it — one grinder at a time.