83mm conical burr set ensures consistent and precise grinding for optimal coffee extraction
Patented magic tumbler with magnetic attachment spreads grounds evenly for uniform extraction
Weiss distribution technique promotes even grinding and reduces over-extraction or under-extraction
Integrated bean feeder simplifies and customizes coffee loading for user convenience
Compact footprint saves counter space while maintaining high performance
Summarized by Shop
The original Key integrated an 83mm conical burr set into the most compact, space-saving design possible.
The Mk.2 marks an evolutionary step in the development of the Key by introducing significant usability and workflow upgrades while maintaining the same footprint as the original version.
The burrs and mount define the width of the Key
Burr Type
83mm conical
Power Source
AC-powered
Material
Metal, Plastic
Color
White, Silver, Brown
Pattern
Solid
Dimensions
Not specified
Summarized by Shop
4.8
26 ratings
5
4
3
2
1
Amazing grinder! Incredible quality. Prescise grinds. Very repeatable results. Worth every penny.
G
Gregory · August 20, 2026
Pretty amazing espresso. Ultimate quality control. Simple design that works exceptionally well and extremely consistent in it’s high quality. An upgrade from my mazzer and nuovo simonelli grinders.