The black plastic shell absorbs impact from rocks and pavement that would otherwise scratch or dent the coil housing

and get better separation in iron trash

In this informative and detailed book the author

and island sites use the book's site-reading frameworks to identify high-probability zones where wave action concentrates gold

Prospectors working ironstone

Minelab 10" Slimline Coil Cover - Search Coil Protection gold detector The black plastic shell absorbsEssential Protection for Your Minelab Search Coil This genuine Minelab coil cover protects your valuable 10" slimline search coil from rocks, roots, and abrasive surfaces that can damage the coil housing over time. Key Benefits Extends coil life by preventing scratches and wear on the coil bottom Maintains detection performance with minimal impact on sensitivity Easy installation simply stretch over your existing coil Durable construction withstands