SanThree Pure Titanium Necklace for Men 3mm Square Rolo Chain, Durable Skin Friendly Solid Titanium Round Link Box Chain for Women Gift, 19.68 Inches | Amazon.com
Sterling Silver Venetian Mens Box Chain 3.5 mm 22 24 26 28 30 36"
Men 2mm Round Box Chain Necklace, Stainless Steel, Non Tarnish, Waterproof, Silver Men's Jewellery, Unisex, Gift for Him, Basic Man Chain - Etsy
Box Chain Necklace in Sterling Silver, 2.7mm | David Yurman