Mens Womens Titanium Anchor Chain with Lobster Clasp 20", 2.1mm Titanium Anchor Chain 20 Inches in Length Titanium Lobster Clasp is 9.02mm X 5mm Smooth, Strong, and Lightweight for a Comfortable Fit Polished Finish, Tarnish Proof, and Hypoallergenic Available in 18, 20, and 24 Inch Lengths from The Men's Jewelry Store