Seymour Duncan SH-4 "JB" model humbucker pickup. Custom slanted coil version for bridge position on Gibson® and Epiphone® Nighthawk® guitars. Black. The JB model is the versatile, high output humbucker that started it all and still Duncan's top seller! Singing leads and perfect mids. Alnico V magnets. Four conductor lead wire. Includes wiring diagram and mounting hardware. Made in the USA.