The K-Ultra is 1Zpresso's flagship all-round grinder — the refined successor to the K-Max, built for everything from espresso to pour-over and now available in Dark Iron Grey.

At its core is the specialized 48mm heptagonal stainless steel K Burr, factory-calibrated for consistency and fast grinding. The external adjustment ring — the design that earned 1Zpresso a Red Dot Design Award — moves the burr 20 microns per click, with finer progressions between settings than any previous K-Series grinder. Dialing in espresso or filter is precise and repeatable.

The rounded body is machined for a comfortable grip, the magnetic catch cup twists off without threading, and the foldable handle packs into the included hard carrying case with silicone grips, air blower, and double-sided cleaning brush.

Specs

• Burr: 48mm heptagonal conical, stainless steel
• Adjustment: external ring, 20 microns per click, 100 clicks per rotation
• Grounds capacity: 35–40g
• Weight: 700g
• Dimensions: 19.5 × 18.5 × 6 cm
• Materials: stainless steel, aluminum alloy, wood, polycarbonate, silicone
• Includes: carrying case, cleaning brush, air blower

Please note: burr is not water-washable — brush clean only