Metal Detector Specialists Since 1983. Detech 12" x 10" SEF Search Coil for Minelab Sovereign. The Detech 12" x 10" SEF Search Coil is for use with the Minelab Sovereign metal detector. By upgrading to this coil you will achieve the best depth and most accurate pinpointing. Compared to traditional DD coils, the patented SEF coil technology provides you with more stable operation, better ground balancing and the most accurate target identification.Search coil is waterproof and coil cover is included. Any product you return must be in the same condition you received it and in the original packaging. This item is in the category "Business & Industrial\Test, Measurement & Inspection\Test Meters & Detectors\Metal Detector Accessories". The seller is "detectorelectronics" and is located in this country: US. This item can be shipped to United States.