UnCommon Artistry Butterfly Clutches Ear Nuts 14Kt Gold Filled Med. Size (10) ITEM: Butterfly Clutches for Post Earrings Metal: 14 Karat Gold Filled - each ear nut is is stamped 14kt gf Style: Fancy Heavy duty weight friction nuts; 6.4x5.4mm-Med. Size Premium Clutches for up to 20ga or .8mm posts Quantity: 10 pieces; Packaged in a re-usable clamshell Brand: UnCommon Artistry- Every package is marked with UnCommon Artistry sticker. UnCommon Artistry is a registered brand with the US Patent and Trademark Office. Our logo, brand, and slogan are all intellectual property of UnCommon Artistry. UnCommon Artistry is the only authorized distributor of this brand on Amazon.