Precision Grinding for the Serious Coffee Enthusiast
The zeroHero Z4 is a professional-grade manual coffee grinder engineered for consistency and flavor clarity. Equipped with the HG8-48 48mm Seven-Core Stainless Steel Burr and "Cut-then-Grind" technology, it minimizes fines and delivers a clean, even grind from espresso to French press.

Key Features:

• Ultra-Fine Adjustment: 0.015mm per click with a 32-click digital scale window — covers the full grind range from espresso to French press.
• Effortless Operation: Dual ball bearing system and a 49mm ergonomic walnut handle provide smooth, low-effort grinding.
• Zero-Calibration Design: Factory-standardized zero-point means consistent grind settings right out of the box — no manual setup required.
• Premium Build: Lightweight 670g full-metal body with a Roman Column fluted design for superior grip, anti-fingerprint durability, and portability.

Specifications:

• Burr Material: SUS420 High-Hardness Stainless Steel
• Hopper Capacity: 25g | Receiver Capacity: 30g
• Weight: 670g | Compact and portable