Specification :

"Do you want the sound of a '50s Strat®, but with a little bit more attitude? Check out the Custom Shop Fat '50s. These calibrated pickups are constructed with hand beveled, staggered, Alnico 5 magnets and Formvar wire on the coils. The Fat '50s deliver enhanced bass response without the harsh mid-range. The middle pickup is reverse wound/reverse polarity for hum canceling in positions 2 & 4. The blues never sounded so sweet. OEM on Custom Shop Showmaster Series Stratocasters®. Available in white only."