MineLab E-Trac, MineLab Safari, MineLab Explorer XS,
White's 5000 D, White's 6DB, White's 5000 D GEB
Sunray X-1 for the ML's, Garrett PP for the White's and a Backhoe
Dunno about the new ones, but I have a 6DB "Blue Box" I still break out once in a while. It's still as minty as the day I bought it in '80 and I use it as a really-easy-to-teach loaner. Paid for itself 20X over the first year I had it. 😁