MarsMD has added new coils for Fisher F11/F22/F44 and Makro Racer metal detectors. See a complete list of all MarsMD coils.
You can find other information about MarsMD coils – features, photos, videos, tests – here.
A 15-inch coil: recovery speed test (surprised me)
Has Mars started selling in the US ? If not , do you think they ever will ?