Seymour Duncan Black Winter Rail Humbucker 7-string, humbucker guitar pickup set, designed for black metal, death metal or any extreme style, clarity in the mids and highs while the low end stays controlled and focused, 7-string, dual coil, ceramic magnet, wax potted, bridge DC resistance 20.58 kOhm, neck DC resistance 15.7 kOhm, shielded 4 conductor hook-up cable, high output, black, made in USA