Nokta INV40 15.5" x 14" Waterproof DD Search Coil for Invenio Metal Detector Type_Concentric with quick adjustments to suit

with quick adjustments to suit various conditions

Tone Frequency - Yes

Installation: Attach the coil to the Gold Monster 1000 following the manufacturer's instructions for proper alignment and connection

especially during long sessions in the field

offering a balance between ground coverage and maneuverability

Nokta INV40 15.5" x 14" Waterproof DD Search Coil for Invenio Metal Detector Type_Concentric with quick adjustments to suitThe Nokta INV40 15. 5" x 14" Waterproof DD Search Coil is a high performance accessory designed for the Nokta Invenio metal detector series. This large Double D (DD) coil offers superior depth and ground coverage, making it ideal for finding deeply buried targets in a variety of environments, including mineralized soils. Key Features: Size: 15. 5" x 14" (40 cm x 35 cm), providing excellent ground coverage. Waterproof: Suitable for use in wet