Detech 12 x 10" SEF Butterfly Search Coil for Fisher F11, F22, F44 Metal Detectors

Detech 12 x 10" SEF Butterfly Search Coil for Fisher F11, F22, F44 Metal DetectorsCompared to a standard Double D search coil, the patented SEF Butterfly design offers several advantages: Better ground balance More stable operation Deeper detection depth Better pinpointing More accurate target identification High-Quality ConstructionThis search coil is produced using the highest quality materials and advanced manufacturing techniques. It is filled with lightweight resins and chopped-strand material for superior shock resistance. These materials are "transparent" to electromagnetic waves, providing perfect shielding. The coils are UV and waterproof, operating in a wide temperature range.Technology and Additional Specifications SEF Butterfly: Symmetric Electromagnetic Field 12 x 10" Butterfly Coil cover included Full 2-year warranty Waterproof Double Elliptical Butterfly Coil Design Weight: Approximately 1 Pound 6 Ounces CompatibilityDetech makes search coils for a wide variety of metal