WD® Upgrade Wiring Kit For Gibson® SG® Style GuitarsWD®'s upgraded wiring kit for Gibson® SG®. Compare to the other guys—these are the real deal. Genuine CTS® potentiometers, Switchcraft® switch, we even throw in that hard to find vintage dress nut for the switch. WD®'s wiring kits contain only the highest quality parts for building or repairing your guitar.