Fisher CZ-21 Dual Frequency Metal Detector for Underwater Hunting motley digging tools 5-inch DD search coil

5-inch DD search coil

These variations are part of what makes natural products unique and can add to their overall beauty and character

Multi-Frequency Performance in Mineralized Ground and Saltwater

then follow with a finer mesh to isolate pay dirt

Fisher CZ-21 Dual Frequency Metal Detector for Underwater Hunting motley digging tools 5-inch DD search coilThe Fisher CZ 21, known to divers as the CZ21 QuickSilver, is a dual frequency underwater metal detector submersible to 250 feet, built for scuba divers and surf hunters who work saltwater beaches, freshwater lakes, and deep dive sites. Where single frequency VLF detectors chatter in hot black sand, wet salt, and mineralized mud, the CZ 21's Fourier Domain signal processing keeps targets clear. It ships with an 8 inch concentric waterproof coil,