The 25-level sensitivity adjustment is critical in gold country: start at mid-range sensitivity and increase incrementally until you hear stable threshold

New to an area

and the coil stays functional in saltwater without corrosion risk

Less ideal for: Dense iron-trash sites like old homesteads or tot lots where a smaller coil's tighter field would isolate targets more cleanly

Rejecting common beach finds

Fisher 10" DD White Elliptical Closed Coil for F5 & F19 Metal Detectors Nokta Legend The 25-level sensitivity adjustment isFisher 10" DD White Elliptical Closed Coil for F5 & F19 Metal Detectors This coil provides excellent depth and sensitivity. Screw On Connector. Durability and high performance from the original equipment manufacturer. A great addition to your Fisher detector, helping you find more treasure more often. Specifications Size: 10" (inches) Screw On Connector Compatible: Fisher F5 Fisher F19