I live in Kharkiv too, so I bought coils from official N EL manufacture. The new NEL THUNDER search coil for. Size 14.5"x10.5" (37 x 26.5 cm). Weigth 20.1 oz, 570 g (weight without coil cover). Semi Elliptical Double-D (DD) Coil.
Mproved stability and sensitivity to highly mineralized soil. (depends on metal detector manufacturers). Extremely robust coil mounting bracket.
Coil outter shell and face made from impact resistant composite materials which also UV stabilised. Coil cover protect the search coil from damage and chipping (coil also can use without this cover without any problems). Coil production and final testing time in real condition (on field) - approx 5-7 days. Because all NEL coils after production passing the depth and coverage tests in the field so there may be minor scratches on the reel.
This search coil ONLY for. All photos I take from real search coils. Please, feel free contact me with any questions! The item "New NEL THUNDER 14.5x10.5 DD coil for Minelab Explorer/E-Trac/Safari/Quattro" is in sale since Saturday, January 14, 2017. This item is in the category "Consumer Electronics\Gadgets & Other Electronics\Metal Detector Accessories".
The seller is "valerius1906" and is located in Kharkiv. This item can be shipped worldwide.