Comandante C40 MK4

Comandante C40 MK4 hand grinder with Nitro Blade burrs.

Amazon US, October 2026. Prices change.

High-nitrogen steel burrs, a wooden knob and a glass jar, made in Germany. It grinds evenly enough for espresso and pour-over, and every part, down to the axle, is sold as a spare.

Repairable: Opens with common tools, spare parts are available, and replacement parts work without the maker unlocking them.
Calm: Does not compete for your attention: no notifications, feeds or endless content. Does its job and gets out of the way.

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Upgrade pickWorth it if you use it every day.

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Upgrade pick

Kinu M47 Simplicity A steel body and 47 mm burrs. Built like a tool, priced like one.
$352Buy now

Alternatives

1Zpresso K-Ultra External click adjustment you can change mid-bag without taking it apart.
$259Buy now

More bang for the buck

1Zpresso J Steel burrs and an all-metal body for half the price.
$139Buy now
Timemore Chestnut C3S Steel burrs and a solid feel for under a hundred dollars.
$79Buy now