7 Metal Detector Field Guides by Charles Garrett Gold Treasure Coin Surf Hunting blue-bowl The coil is superior to

The coil is superior to a standard coil in depth by +40% (depending on the model of the metal detector) and in ground coverage of +60% (depending on the model of the metal detector)

These coils were designed for the SALT LAKES of Western Australia but continue to prove their ability in many fields around the world

The handle has a rubber grip for comfort

Audio Pitch Proportional to Signal Strength

7 Metal Detector Field Guides by Charles Garrett Gold Treasure Coin Surf Hunting blue-bowl The coil is superior toSet of 7 Pocket Size Metal Detector Field Guides by Charles Garrett. Includes Family Treasure Hunting: A Beginner's Guide Understanding Treasure Signs and Symbols Introduction to Metal Detecting In Europe The Sport of Coin Hunting with a Metal Detector How To Find Lost Treasure How To Search Sand and Surf: Treasure Recovery at the Beach How To Find Gold: Metal Detecting and Panning 'Family Treasure Hunting A Beginner's Guide' book by Charles Garrett.