For sale is a like new GIZMO that can be used on the Garrett ACE and AT series detectors. For those of you who are not familiar with the gizmo, here is a link that explains how it works. https://www.youtube.com/watch?v=iMbCxpBPcLM It really does make a difference. I use one all the time on my AT Gold. Had this one as a backup. $24 shipped conus. PayPal. If interested, please send me an email. Thanks