Seymour Duncan SM-2b Custom Mini Humbucking Electric Guitar Pickup (Bridge) w/ String Winder and Tuner Application: reat for heavy blues, classic rock, hard rock and metal Complete setup: The bridge version is high output. Often, an SM-2b Custom is used in the bridge with an SM-1n Vintage in the neck for versatility. Guitars: For balanced and warm instruments. Works especially well with mahogany bodies and rosewood fingerboards. Players: Brad Whitford / Aerosmith, Robben Ford, Cesar Rosas / Los Lobos