1Zpresso K Series
Manual Coffee Grinder

Red Dot Design Award Winner

1Zpresso Z-Pro Series Manual Coffee Grinder, an innovative product that got Red Dot Design Award winner in 2018.

The first time ever we introduced the External Adjustment Ring design, which is intuitive and speedy to dial in for your ideal grind settings like what you would expect from an electric grinder.

The K Series Manual Coffee Grinder keeps the External Adjustment Ring design. See what else is different?

External Adjustment Ring
90 clicks design on the visible external adjustment dial design enables a wide range of grind sizes from fine to coarse.

Stainless Steel “K Burr”
The specialized stainless-steel heptagonal conical burr is ideal for a variety of brewing methods.

Enhancing Stability of the Burr and Central Shaft
Keeping the grinding efficiency and consistency at the same time.

Barista adjusting the external adjustment ring for the grind setting


With 9 numbers and 90 clicks per round, the burr moves 22 microns each click. A larger number for coarser grind size. Dial your preferred grind setting in no time as you would expect from an electric grinder; find the optimal grind size for your espresso machine and reach the sweet spot for your espresso!

K burr of K-series grinders


Grinding coffee with K Burr no longer has to be troublesome; instead, it could be something joyful! The K-series grinders have excellent performance on consistency. Starting with a medium-coarse grind size for pour-over, you can make a cup of coffee with a clean and bright taste that is hard to achieve with other grinders.

K-Max Grinder

A combination of the K-Pro and K-Plus with a slimmer magnetic catch cup (without the blind shaker).

1Zpresso K-Pro grinder

K-Pro Grinder

K-Pro is designed to speed up your grinding with the external adjustment and 48mm burr.

1Zpresso K-Plus Grinder

K-Plus Grinder

Equipped with the external adjustment and magnetic catch cup, the K-Plus is endowed with a unique spirit.

Barista remove the magnetic catch-cup of K-Plus grinder
Barista releasing coffee ground from the magnetic catch-cup of K-Plus grinder


The magnetic catch cup can hold up to 35-40g coffee grounds and can be removed easily in a second by turning it. The K-Plus comes with the blind shaker design which opens up at the bottom to release coffee grounds in a flash.

K-Pro K-Max K-Plus
Adjustment External Adjustment
Microns Per Click 22
Capacity 30-35g 35-40g 35-40g
Receiver General Magnetic Magnetic
Blind Shaker X



K-Pro grinder with the cylinder case
Barista holding a K-Plus grinder
Re-assembly of K-Plus grinder
Cleaning and maintenance of K-Pro grinder
K-Plus grinder with the travel case

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