Seymour Duncan Invader Humbucker Set Electric Guitar Electronics The Invader Set is the tried and true solution for guitarists who seek the heaviest metal tone imaginable. This crushing set of our Invader humbuckers delivers massive output for thick and heavy distortion. Hand built in the Santa Barbara CA factory the Invader uses a three large ceramic bar magnets, oversized metal oxide poles, nickel silver bottom plate 4-conductor lead wire for multiple wiring options and is vacuum wax potted