Seymour Duncan SA-3HC Walnut Woody HC Hum-Canceling Acoustic Soundhole Pickup True Tune Tuner Fender Picks Bundle 11500-31-WLN passive, noiseless, magnetic soundhole pickup that delivers a warm, rich acoustic tone. Fits soundhole from 3.85" to 4.10" Comes with True Tune TT-05 chromatic tuner