Strat Harness - 5 Way Blade Switch. Prewired Harness features YOUR CHOICE of three 250K or 500K Alpha quarter size pots with 15mm Shafts for mounting to a pickguard. 250K works best with single coils and 500K works best with humbucker strats. 5 Way Alpha Blade Switch - includes mounting screws and switch tip. Tone pot is wired with .022 cap for the 250K option and .047 cap for the 500K option. Input jack. All you need to do is solder your pickups to the switch, run the included bridge ground wire to your trem/bridge, and you are set. LEFTY option available. A wiring diagram is included for your reference.