EMG OC1 SRO Open-Coil Passive Humbucker Pickup Neck Black Open-coil designHot outputAlnico V bar magnetOC1-N Specs:Alnico V Bar magnetInductance: 7.42KGain: 4.4KOC1-B Specs:Alnico V Bar magnetInductance: 16.44KGain: 3.05K