3 Pack 14K Gold Filled 4.5 mm Magnetic Clasp Converter For Necklaces Bracelets Anklet with 5 mm Spring Ring Clasp 14K. Gold filled is 100 times more gold than in gold plate. A 14/20 Gold Filled piece is usually considered a lifetime piece of jewelry. This is a gold filled magnetic clasp converter is very easy to convert a clasp into a magnetic clasp; great for those with long nails, arthritic, or when it is difficult to use regular jewelry clasps. Utilizes very powerful magnets. Do not use if you use a pacemaker, insulin pump, or defibrillator;