Philips For QT4000-QT4019 Hair clipper comb, Black, QT4070, QT4090, QT4019, QT4020, QT4021, QT4022, QT4085 Philips For QT4000-QT4019 Hair clipper comb. Product color: Black, Compatibility: QT4070, QT4090, QT4019, QT4020, QT4021, QT4022, QT4085