As an Amazon Associate I earn from qualifying purchases. A few years ago, flat-burr single-dose grinders were expensive and rare. The DF64 changed that. Made by G-iota and sold in the US under the Turin brand, it put 64mm flat burrs on the counter for well under $400, and it became one of the most talked-about home grinders around. What Single Dosing Means A normal grinder … [Read more...] about DF64 Single-Dose Grinder: 64mm Flat Burrs and Near-Zero Retention for Under $400