Original pendulum for a zaandam clock, with rider and bob. The rider is later date, the bob was original on the rod. See picture of clock it was taken from, clock is not included in the sale. The pendulum is 20 1/2″ or 52 cm long. It hangs with a hook from the case and the spindle coming from the clockwork goes through the crotch is located at 8 1/2″ or 21,5 cm from the top. The depth of the crotch is 2 1/2″ or 6 cm.