Please refer to the photos for the measurements--- Offering this lot of 5 of these old Italian made U-drop prisms are from the of old stock the French U-drop prisms. Brass pins with dark patina - all original ;The drop spears are about 3" long without the top octagonal prism piece and hanger. each prisms consists of 2 parts top and bottom and you get 5 of these- just as shown on the photos good condition , no chips or cracks-Selling as shown .