Went tot lot hunting for gold (since I don't have gold nuggets in my area), but this time only silver spacers. This bug is very hot on small metal. These spacers were about 3 feet apart and gave a very soft audio that stopped me in my tracks. The bug found them but it took me a while to locate them among the chips. I was running gain at 100% with tone brake of 50 so everything above 50 would give a high tone. Eventhough this machine was designed for nugget and relic hunting it does very good on gold jewelry. And since gold is over $1691 per ounce a few small pieces of jewelry would pay for this machine very quickly. Then it's all profit.