Change powders and settings with the push of a button. Meter powder charges from .5 to 265 grains with the proper accessories. Features: Push button release which allows quick change of the metering inserts. Adjustable tension - an "O" ring allows a slight amount of tension on the metering unit to make fine, incremental adjustments. Precision tolerance of .002" between drum and rotor to eliminate powder binding between frame and drum. Small and large drop tubes plus mounting plate included. Stand not included - sold separately.