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S.E.F. (Symmetrical Electromegnetic Field) coils, also known as Butterfly coils. These searchcoils combine the advantages of both DD and Concentric coils:

The S.E.F. Butterfly search coils offer better ground balance, more stable operation in all conditions, even deeper in the ground and more accurate target identification.

Detech coils are made using high quality materials. The housings are made of UV protected material. Their inner side is covered with chopped-strand material for a better shock resistance. We use resins, which are “transparent” for the electromagnetic waves, and perfect shielding. The coils are water resistant, and operate in a wide temperature range. The searchcoils are standardly equipped with excellently fitting cover, and have one years full warranty.

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detech 18 inch round magnetometer coil for all ssp machines DETECH 18 INCH ROUND MAGNETOMETER COIL FOR ALL SSP MACHINES

Detech 18 inch round magnetometer coil for all SSP machines, this coil discriminates iron targets

Our Price: 300.00 (250.00 exc VAT)
Detech 15x12 GMaxx SEF Coil DETECH 15 X 12" XP GMAXX SEF COIL

Detech 15 X 12 inch SEF coil, fits XP ADX 200/250, Adventis/2 & Gmaxx/. Complete with coil cover.

Our Price: £185.00 (£154.17 exc VAT)
Sale price: 165.00 (137.50 exc VAT)
Detech 15x12 Fisher F75 SEF Coil DETECH 15 X 12" FISHER F75, F75 SPECIAL EDITION & F70 COIL

Detech 15 X 12 inch SEF coil, fits Fisher F75 and F70. Complete with coil cover.

Our Price: £185.00 (£154.17 exc VAT)
Sale price: 165.00 (137.50 exc VAT)
Detech 15 x12 Minelab Sovereign SEF Coil DETECH 15 X 12" MINELAB SOVEREIGN SEF COIL

Detech 15 X 12" SEF coil, fits all BBS machines, Sovereign XS, XS2, XS2aPro, Elite and GT

Our Price: £185.00 (£154.17 exc VAT)
Sale price: 165.00 (137.50 exc VAT)
DETECH 15X12 SEF COIL FOR LOBO SUPERTRAQ, TEJON & TRIDENT

Detech 15X12 S.E.F Coil. Suitable for: Tesoro Lobo Supertraq Tesoro Tejon Laser Trident I Laser Trident II.

Our Price: £185.00 (£154.17 exc VAT)
Sale price: 125.00 (104.17 exc VAT)
detech 5 inch coil for ssp machines DETECH 5 INCH COIL FOR SSP MACHINES

Detech 5 Inch Monoloop Coil for All Detech SSP Machines, give superior target separation on trashy ground.

Our Price: 110.00 (91.67 exc VAT)
Detech 12x10 Fisher SEF Coil DETECH 12 X 10" FISHER F2 & F4 SEF COIL

Detech 12 X 10" Sef Coil Compatible with the Fisher F2 and Fisher F4. Complete with coil cover

Our Price: £165.00 (£137.50 exc VAT)
Sale price: 105.00 (87.50 exc VAT)
Detech 8x6 Whites Prizm SEF Coil DETECH 8 X 6" PRIZM SEF COIL

Detech 8 X 6 inch SEF coil, fits Whites Prizm series. Complete with coil cover.

Our Price: £145.00 (£120.83 exc VAT)
Sale price: 105.00 (87.50 exc VAT)
detech 6 inch coil whites dfx DETECH 6 INCH COIL WHITES DFX

Detech 6 Inch DD round coil for Whites DFX, MXT and M6.

Our Price: £99.00 (£82.50 exc VAT)
Sale price: 79.00 (65.83 exc VAT)