I rarely encounter it, but I have a PZ1 driver in my kit at all times because NorComp D-sub hoods use it for the cable clamp bar screws. Other than that I can'

I rarely encounter it, but I have a PZ1 driver in my kit at all times because NorComp D-sub hoods use it for the cable clamp bar screws. Other than that I can't say I've found PZ in recent memory.