Custom Shop Custom ’60s Jazz Bass pickups are based on vintage Jazz Bass pickups, delivering classic original-era tone and power, and are also over-wound for even hotter output with unmistakable punch and midrange growl. Built with Formvar magnet wire and alnico 5 magnets for true vintage tone.
FEATURES
Overwound 
Alnico 5 magnets 
Formvar magnet wire 
OEM on many Fender Custom Shop basses