Welcome to JB Jewelry House! This item is 100% Brand New & Authentic 10K Yellow Gold (not plated, not filled) Ultra Light Hollow Miami Cuban Link Chain,'10K' or'417' stamped for Metal Purity. The 2.2mm5.5mm chains come with a Lobster Lock & 6mm7mm chains comes with box lock for added Security. 2.2mm / 3mm / 4mm / 5mm / 5.5mm / 6mm / 7mm width. This is an approximate weight & size.
Please allow up to +/- 10% difference.