zeroHero 58mm Gravity Distributor 2.0The Thor Gravity Distributor 2. 0 levels your puck with its own weight no dials, no guesswork. Drop it onto the basket and the self levelling, air assisted aerogravity mechanism descends smoothly to the coffee bed, creating a flat, even surface that reduces channeling helping you to get the best shot of espresso possible. A mirror polished 304 stainless base uses a triple vane cyclone profile to swirl and settle grounds uniformly, while the knurled