Big burrs and a powerful motor. The Coffee Tech DF83 grinder is an exciting option for anyone looking to explore bigger burrs, especially as it starts at an excellent price point. Shop DF83: https://alternativebrewing.com.au/products/coffee-tech-df83-single-dose-grinder. At 1400 rpm, the large 83mm burrs do their work fast, whether you’re grinding for filter or espresso – much like its younger sibling the Coffee tech DF64. This single-dose all-purpose grinder also features step-less adjustment and comes with a metal dosing ring for a mess-free routine. Red = DF64 SSP Red Speed Espresso HU White = DF64 SSP Multiplurpose Burrs Blue = DF64 S/S Burrs [More]