The 15 cm HOT searchcoil offers almost the same search performance as the 20 cm concentric round coil and separates non-ferrous and precious metals better from iron in the case of heavy scrapping. Our recommendation for old settlement sites where high sensitivity to small parts is expected.compatible with Lobo Supertraq, Tejon, Cibola, Cibola SE, Vaquero and Vaquero2-Germania.