Did a quick search and found nothing. Has anyone tried any other media besides cob or walnut? There is 80grit glass media that is supposed to be good for brass according to the description on the harbor freight site. Anyone using other media?<style id="_clearly_component__css" type="text/css">#next_pages_container { width: 5px; hight: 5px; position: absolute; top: -100px; left: -100px; z-index: 2147483647 !important; } </style>