Men's Stainless Steel Chain Necklace. Premium 6.5mm Stainless Steel 20 inch Herringbone Chain Necklace for Men Featuring 18k Gold IP Plating. Gold IP Plating is More Durable and Resistant to Wear and Tarnish than Traditional Gold Plating Methods, Making it Ideal for Items that are Worn Daily. Stainless Steel Plate Tag and Heavy Duty Lobster Clasp Closure. Hypoallergenic, Corrosion-Resistant, and Safe for Sensitive Skin.