and the iron probability reading from 0 to 100 percent flags ferrous trash

But dragging it through parks

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The 9-inch FMF coil balances ground coverage with target separation in trashy tot lots and picnic areas

Nokta SP22 8.5" DD Waterproof Search Coil for Simplex+ Metal Detector gold-bug-pro and the iron probability readingThe Nokta SP22 8. 5" DD waterproof search coil is a genuine Nokta replacement designed for the Simplex+ metal detector, delivering improved target separation in high trash environments through its Double D configuration. The 8. 5 inch footprint strikes a practical middle ground between the maneuverability of smaller coils and the depth advantage of larger ones, and the fully waterproof construction matches the Simplex+ detector's submersion rating for