This is bale to dangle an object on for objects with flat back again at minimum 14mm four prongs It is 26mm from best to base, up to 14mm wide, 8mm thick one specified buys one bail, 3 buys 3 bales, and many others.
Large size bail for irregular stones with flat back
Sterling Silver, stamped 925 on the back
26mm top to bottom, up to 8mm thick
Large size, 4 long prongs