Hypernova Iridescent Titanium burrs for the VS3 are designed as an upgrade over the standard burr set for mainly espresso grinding. The burrs produce a grind profile that has an increased % surface area in the fines regime adding body and complexity to the cup. A Titanium coating gives heat protection on the edge of the burr, leading to a reduction in burr wear and heat transfer to the grinds. The Hypernova Iridescent burrs will give you a very classical profile; gooey with high body, low acidity and high sweetness. Hypernova Iridescent Titanium Burrs: Hypernova Ti: (440 Stainless Steel Titanium Plated) For espresso and filter. (Hardness HRC65) Improved top end range for espresso particle distribution at finer sizes. High body, increased clarity with increased sweetness. Product: Varia Hypernova Iridescent Titanium Burrs for VS3