Good deal, grab some test material, be sure it's sanded to at least 400 grit, wiped down with a good cleaner, place stencil over test metal, wet pad with electrolyte, and try it to see what happens. There are plenty of youtube videos to give more guidance. Here's a link to a video that will give some guidance to get you started: http://www.erniesknives.com/How to Etch Logo.MP4