Acaia Orbit Coffee GrinderCompact but powerful coffee grinders are already a marvel but Acaia takes it a step further with the Orbit. The Acaia Orbit Grinder is a single dose, low retention grinder with a stepless grind adjustment, and gravimetric grinding capabilities when paired with the Luna scale. It delivers professional results when grinding for both filter coffees and espresso. The destinct design of the Acaia Orbit Grinder moves away from traditional compact grinders