... 1.0 mm Plating:gold,silver,black, engraving logo Specifications: Multi-function collar stayssize:2.0" 2.5",2.75",3.0 ... silver,black,engraving logo Jewelry Type: Stainless steel collar stays Material : 316L S.Steel , 304 S.Steel, Titanium,Workmanship: highly polished by hand ... high propriety of our customer, we cherish each cooperation opportunity with you ,also pay highest attention to your design and ...