Have 3 of them from ProMack's Dan & Cindi out on Apache Trail. Their Trinity scoop is interesting. Robust, squared, and with little riffles for crazy-lazy quick sampling. Use the 19" for a safety while working the 13." I personally like to classify with a 4 prior to pan sampling while traveling light. Takes a bit of getting used to. Good Youtube vids for demos. Still have my Doc Ashcroft's little blue triangle Grizzly Gold Pan from 2007. We chatted a bit until he quit due to illness. He sent me a dozen of the black rubber strips. Way cool guy. Miss him. RIP Doc.