Nokta INV40 15.5" x 14" Waterproof DD Search Coil for Invenio Metal Detector 4-stack-deluxe Three-way adjustable angle adapts to

Three-way adjustable angle adapts to dry sand

so it won't rust or corrode even after repeated trips to the surf line

Shorter maximum length (22 inches) eliminates the overreach and coil-dragging common when kids try to use adult-length stems

and sweep slowly over the scatter field

and the compact form factor stores easily in a toolbox or equipment bag

Nokta INV40 15.5" x 14" Waterproof DD Search Coil for Invenio Metal Detector 4-stack-deluxe Three-way adjustable angle adapts toThe 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