Mec is known for making high-quality shotshell presses that work great for all levels of shotshell reloaders from beginners just learning this skill to advanced loaders who have been reloading for decades. Two conversions in one. This kit includes all the necessary spacers, tubes and other parts required to convert your 12 gauge MEC press to load 3-1/2" shells and to use steel shot. Steel shot bar and bushings sold separately. Kit Includes: Eject BoltEject CamRing SpacerKnockout BushingSupport TubeDrop TubeRammer TubeSpacersScrewNotes: Complete installation instructions included.Kit increases press from 3" to 3-1/2" Kit also allows you to use steel shot