Black double J Bass® style humbucker pickup. Features Alnico 5 magnets and 4-conductor lead. 12k output rating. Measures 3-11/16"(94mm) x 1-1/2(37mm) with mounting screws holes 1-9/16"(39mm) x 1-11/16"(43mm) on center. String spacing 2-1/4"(57mm). Includes mounting screws.