Femitu 25 14K Gold-Filled 14/20 Round Spring Ring Clasps 5.5mm This is a new set of 2514 karat gold filled spring ring clasps Great for making necklaces and bracelets Each is stamped 14/20 14K Gf Jewelry that is gold filled has gold content equal to 1/20th or more of the total weight of the metal in the piece Each measures approximately 5.5 mm (3/16") in diameter