Big and open sounding, as a result of their unique bilateral gauss field and. 25" nickel plated high carbon steel pole pieces, these humbuckers deliver a unique tone that is both musical and articulate. The 4 conductor harness allows for series, parallel and split coil operation. These combinations allow this pickup to harness a multitude of sonic responses from deep rich lows to the most bell like highs and everything in between. Traditional vulcanized fiber bobbin construction and engraved brass base plate keep the look and sound that have become an industry standard for decades.