The burr design and the adjustment design of JX-Pro and K-series grinder (K-Pro & K-Plus & K-Max grinder) are different, even though it is the same burr size of 48mm and the same stainless steel burr materials.

The Top adjustment design of JX-Pro grinder is 40 clicks per rotation, 40 clicks per number and 12.5 microns per click.
The External adjustment design of K-series grinders is 90 clicks per rotation, 10 clicks per number and 22 microns per click where you could set the desired grind setting freely.
K-series grinder produces even consistent grinding results and generates fewer fine particles.

The capacity of the Classic catch-cup design with JX-Pro and K-Pro grinders is 30~35g.
The Magnetic catch-cup of K-Plus & K-Max grinder allows you to remove it in a flash with the capacity of 35~40g.
And the bottom of the catch-cup for K-Plus grinder is changeable to a more espresso-friendly feature to fits the 1Zpresso Coffee Maker Stainless Steel Powder Container and the 51/58mm Baskets.

The Cylinder case is paired with K-Pro & K-Max grinder.
The Travel case is paired with K-Plus grinder.
The Cylinder case or the Travel case of JX-Pro grinder could be selected with extra bucks.
It is an ideal gift for friends and family.