I had the Eldo in the umax box, loved it found lots and lots of goodies. Performance depth wise can be called average Tesoro.
Had the Bandido II about 2 years later. Sold it after 3 weeks of hunting. For me it was not better than the Eldo. Actually didn't like it. Preferred the Eldo.

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I dig it with a Nokta/Makro product.
And then some.. Blisstool V5, White's IDX