DiMarzio GW2110 HSH Split Humbucker 2 & 4 Wiring HarnessThe heart of this drop in prewired Strat harness is our custom designed 500K pot. First built over 45 years ago, we wanted the smooth feel and graduated taper found on some vintage 50s guitars. Using a 10 step rotary switch, we created a taper that works with DiMarzio pickups. Its neither a linear nor audio taper pot it's DiMarzio's custom taper. To further increase reliability, we make the center shaft and threaded parts from solid machined brass