Whether dropping charges for small pistol cases or large rifle cases, this measure gives consistent and accurate performance. The CNC machined steel metering cylinder features a micrometer adjustable thimble with reference lines so resetting the measure is easy. The reservoir is equipped with a powder baffle which maintains a consistent powder level for top accuracy.It comes with two drop tubes to cover the full range of calibers. It's machined with 7/8"x14 threads to fit all presses and stands.