Beautiful polished brass lyre pendulum. Please Note: Lengths are in centimeters (cm) and inches. The inches listing is the actual tip to tip length of the pendulum. The cm listing corresponds to numbers engraved in the bottom right corner of the movement. Bob size is 270mm = 10 1/2". This will have a 15 1/2" swing. It is 42.5" long.Note: This pendulum can only be used with a movement that has an /114 as it's last number.