J-Ultra Grinder

Experience espresso perfection with J-Ultra. Featuring a unique external adjustment mechanism, it allows for an incredibly precise 8-micron adjustment per click, setting a new standard in grind precision among 1Zpresso grinders.

More Precise

Boasting an 8-micron movement per click, the J-Ultra grinder offers the most precise adjustment among all 1Zpresso models. Experience unparalleled precision for your perfect espresso.

Espresso Burrs

The J-Ultra burrs are expertly crafted for espresso, striking the perfect balance in grind distribution. With a speedy 48mm design and an advanced coating, they not only grind quickly but also make the process exceptionally smooth.

New Design

The J-Ultra manual coffee grinder features an elegant, rounded body with gently curved edges, delivering a comfortable and ergonomic grip. Its thoughtful design guarantees a precise and effortless grinding experience, prioritizing your maximum comfort.

Magnetic Catch Cup

Experience an instant workflow improvement with a simple twist, unlocking the magic of our magnetic catch-cup. Elevate your coffee brewing experience today.

JE JE-Plus JX-Pro J-Max J-Ultra
Adjustment Internal Adjustment Top Adjustment Top Adjustment External Adjustment External Adjustment
Microns Per Click 25 12.5 12.5 8.8 8
Capacity 30-35g 35-40g 30-35g 35-40g 35-40g
Weight 700g 840g 780g 775g 670g
Receiver General Magnetic General Magnetic Magnetic
Blind Shaker X O X X X
Shopping Cart


(For example: JX $129 + Shipping $10 = Total $139)

If YouYou’ll Receive
Cancel before an item is shippedfull refund (item’s price + shipping)
= $139
Return an item in original condition within 7 calendar days from the date you received it100% of the item’s price
= $129
Return an item in original condition over 7 calendar days from the date you received it80% of the item’s price
= 129*0.8 = $103.2

*Any customs duty or relevant charges incurred will be deducted from the refund. (The table above does not include additional charges.)


*A refund request over 7 calendar days from the date you received an item will be refunded partially (80% of the item’s price) and might be denied since the item has been used.