Nokta RC18C 7" Concentric Search Coil for Racer Series Metal Detectors minelab-gpz-7000 and sensitivity over the 6×10

and sensitivity over the 6×10 DD at the expense of extreme ground performance

Automatic tuning - The state of the art microprocessor controlled design requires no adjustments of any kind

Dual volume controls for adjusting signal levels to suit individual hearing requirements

Additionally

Carbon Fiber has a fantastic weight-to-strength ratio and it is also corrosion resistant

Nokta RC18C 7" Concentric Search Coil for Racer Series Metal Detectors minelab-gpz-7000 and sensitivity over the 6×10Nokta RC18C 7" Concentric Search Coil for Racer Series Metal Detectors. Provides a cleaner target response and better discrimination on shallow targets. However, it gets more affected by the ground compared to DD search coils in highly mineralized areas. Compatible: Nokta Racer Nokta Racer 2