This is sterling silver 14k gold plated bail to hang an object on; for items with flat back at least 14mm ; four prongs; It is 26mm from top to bottom, up to 14mm wide, 8mm thick; 1 specified buys 1 bail, 3 buys 3 bails, etc. Heavy gold plated (1 micron) with a thin layer of nickel for long wear and shine.