Nokta INV40 15.5" x 14" Waterproof DD Search Coil for Invenio Metal Detector 4-stack-deluxe then save your own custom

then save your own custom settings as you learn the detector's response in your local soil

Dial from 0 for all-metal to 10 for foil reject to filter trash without giving up depth on rings and coins

Best for: Detectorists hunting beaches

7 V / 6800 mAh

Nokta INV40 15.5" x 14" Waterproof DD Search Coil for Invenio Metal Detector 4-stack-deluxe then save your own customThe Nokta INV40 is a 15. 5" x 14" Double D search coil built exclusively for the Nokta Invenio detector, designed to cover more ground per sweep while maintaining target separation in trashy sites. Invenio owners working open fields, large parks, or beach zones need the INV40's expanded footprint to reduce passes and reach deeper targets. The waterproof construction handles surf, streams, and wet sand without concern, and the included protective cover