External Adjustment Ring
Over 100 clicks with 20-micron precision per step, mimicking electric grinders for effortless control.

Specialized “K Burr”
The larger, heptagonal conical burr ensures faster grinding and unmatched consistency. Perfect for various brewing methods, it unlocks bright, rich flavors that other grinders can’t achieve.

Magnetic Catch Cup
Twist-off design with a spacious 35-40g capacity for hassle-free coffee collection.

Foldable Handle
Durable, foldable crank for portability and easy storage—perfect for on-the-go brewing.

Reliable Performance
The expert-calibrated burr ensures no wobble, grinds up to 100-200 kg, and comes with a 1-year warranty for peace of mind.

1Zpresso K-Ultra: The Ultimate Precision Grinder for Every Brew Method

The 1Zpresso K-Ultra Manual Coffee Grinder is the newest and most advanced addition to the K-series, designed for those who demand exceptional grind consistency, precision, and versatility. Like the K-Pro and K-Max, the K-Ultra is equipped with a powerful 48mm stainless steel burr set featuring a unique heptagonal shape, ensuring effortless grinding and uniform particle distribution across all grind sizes, from coarse French press to ultra-fine Turkish coffee.

At its core, the K-Ultra continues 1Zpresso’s tradition of intuitive design with its award-winning external grind adjustment dial, making grind size changes quick and precise without the hassle of disassembling the grinder.

Unrivaled Precision & Enhanced Adjustability

What sets the K-Ultra apart from its predecessors is its enhanced precision. The dial offers 10 numbered grind settings, with a stepped adjustment system featuring 100 clicks per rotation—10 more than the K-Pro—for an even finer level of control. Each click adjusts grind size by approximately 20 microns, making the K-Ultra the most precise grinder in the K-series lineup.

Premium Design & Travel-Friendly Portability

Beyond performance, the K-Ultra introduces a sleek new design with a rounded body and curved edges, providing a secure, ergonomic grip for comfortable grinding. Additionally, the new foldable ‘S’ handle enhances portability, making this the most compact and travel-friendly K-series grinder to date.

Why Choose the 1Zpresso K-Ultra?

✔ Ultra-precise 20-micron grind adjustments for total control
✔ 48mm heptagonal stainless steel burrs for superior grind consistency
✔ Award-winning external adjustment dial for effortless calibration
✔ Compact foldable ‘S’ handle for easy transport and storage
✔ Durable carrying case included for safe travel
✔ Includes a cleaning brush and blower for easy maintenance

1Zpresso K-Ultra Specifications

📌 Grinder Dimensions: 19.5 x 6 x 18.5 cm
📌 Weight: 700g
📌 Grounds Capacity: 35-40g
📌 Burr Size & Material: 48mm stainless steel burrs
📌 Grind Adjustments: 100-click stepped adjustment (~20 microns per click)
📌 Materials: Wood, polycarbonate, silicone, stainless steel, aluminum alloy
📌 Package Dimensions: 28 × 15 × 22 cm

With its unparalleled precision, premium build, and portable design, the 1Zpresso K-Ultra is the ultimate manual grinder for coffee enthusiasts who want total control over their brew—whether at home or on the go.

Looking for a more budget-friendly option:

1Zipresso Q-Air

1Zipresso X-Ultra