Wooden pendulum suitable for Hermle or Urgos and Jauch and Kieninger, rod 95 cm or 36 1/2″ with brass lens of 4 3/4″ or 12 cm. If you need a particular length we can do that for you. Just lets us know what length you desire upon check-out. Hermle or Urgos/Jauch or kieninger hook-up possible. Let us know.