The quarter pound Jazz Bass pickup set from Seymour Duncan is an overwound, vintage style, Alnico 5 magnet, single coil pickup set perfect for your next upgrade. The 1/4” diameter poles and hot coil winding delivers a full, even response with great sustain and sonic complexity for a powerful tone suited to any genre. You get the higher output of an overwound coil, with the articulation and detailed high end of a vintage pickup. Period correct and hand built in Santa Barbara, CA.