Hi everyone. First off I want you to know that I enjoy reading all the posts on the explorer forum. You guys make some great finds. I swing an e-trac, but a buddy of mine is learning his new SE pro and asked me if ferrous coins is similar to two tone ferrous on the etrac. He is fighting loss of threshold at some sites and knows that I hunt in TTF when I lose threshold when I run into that problem. Any info will be greatly appreciated.