Each (shackle): 2 x 4 3/4 x 4 1/2 in. (5.1 x 12.1 x 11.4 cm)
Part (length of chain): 33 x 3 x 3/4 in. (83.8 x 7.6 x 1.9
Metal ankle or leg shackles with hinged cuffs with perpendicular tabs where they meet; holes through the tabs for a padlock; hollow copper (probably) oval and round linked chain attached to a tab on each cuff.
Due to ongoing research, information about this object is subject to change.