i just follow your lead, since me is a noob
is this the 1ZPresso with 7 blade bur?
https://www.amazon.sg/1Zpresso-Grinder-Stainless-Numerical-Adjustable/dp/B0CYZGGMJH
this is 1Zpresso J just $40+++ more
https://www.amazon.sg/1Zpresso-Silver-Capacity-Assembly-Stainless/dp/B0C4YJSK3H
which one is the come you recommend?
grind black pepper, me use noki one, 1 hand to grind pepper, btw is the Timemore C2 air tight?