A4Z Coffee Grinder brings pour-over precision to your fingertips with its specialty 48 mm burr and three full rotations of 100 micro-click adjustments (0.008 mm per click), so you can dial in grind size from fine to coarse with ease. A built-in magnetic brush keeps retention to a minimum, while tool-free disassembly and a rechargeable 6000 mAh battery—good for 30–50 cycles per charge—make setup, operation, and cleanup effortless. The grinder even stops automatically at the end of each cycle, ensuring consistency and control in every cup.