Easto’s new Superdrive Micro 4mm arrow is the latest addition to the popular Superdrive family of products.? The Superdrive Micro is Easton’s?highest performing?all-carbon arrow designed for?all-purpose outdoor?tournament use?from target to field to 3D.?Engineered to provide the lightest?grain-per-inch weights?possible?in a given?spine range, the Superdrive Micro will maximize your shooting range and minimize your pin gaps, allowing for higher velocities both out of the bow and?tighter gaps?downrange.