Gibson Gear IM57SVH-NZ Electric Guitar Electronics Authentic Gibson Hot Vintage Matched Pickup Set of a '57 Classic and a '57 Classic Plus Gibson's original Patent Applied For humbuckers of the mid to late 50's are some of the most sought after pickups in the world. Intentionally Mis-Matched coil windings for that Vintage Gibson tone. Both pickups deliver that famous crunch via rough-cast Alnico III magnets.