Fender American Standard Jazz Bass Guitar V (Five String), Maple Fingerboard - Mystic Blue An added 5th, low-B string further extends the sonic range of the legendary J Bass platform American Standard Jazz Bass neck and bridge pickups offer a great range of classic and contemporary Jazz Bass tones A thinner finish undercoat and a new HMV (high-mass) bridge help make this an exceptionally lively and resonant instrument Posiflex graphite neck support rods make this an exceptionally stable instrument worthy of world tours.