Set black hands universal for hermle or fhs or ucw clockworks. It has bushings that are suitable for Hermle or FHS or UCW clockworks, May be suitable for other clockworks as well. Center not considered in length. The minute hand bushing is 2 mm and it is approx. long 4 1/2″ or 11,4 cm. The hour hand bushing is Ø 4 mm and approx. 3″ or 7,7 cm long.