Java Grinder Doser - CG5 A professional heavy-duty grinder with extra-hardened burrs Java comes equipped with interchangeable doser and storage containers Java produces a uniformly ground coffee from very fine for espresso to coarse for a percolator all the while keeping heat to a minimum to prevent scorching Product Features Doser mechanism automatically dispenses a pre-measured amount of ground coffee directly into the filter holder of any espresso maker Interchangeable storage container attac