This is the Trembucker (F-spaced) version of the 6-string Nazgl. Take your guitar to the center of the earth! By combining a large ceramic magnet with custom winding specs, the Nazgl offers the perfect blend of note articulation, saturation and one of the most brutal "chugs" you'll ever hear from a humbucker. It has incredible harmonic content across all frequency ranges, and an insanely tight bass response. The Nazgl has a seriously aggressive high gain sound that is lively, yet completely controllable. Trembuckers have wider pole piece spacing, perfect for symmetrical positioning under the strings of guitars with a tremolo or wide spaced hard tail bridge (2" or wider from the center of the Low E to High E directly over the bridge pickup). Hand built in Seymour Duncan's Santa Barbara, CA factory, the Nazgl uses a large ceramic bar magnet, nickel silver bottom plate, 4-conductor lead wire for multiple wiring options, and is vacuum wax potted for squeal-free performance.