Watch Band Expansion Metal Stretch Gold Plated Curved Ends fits 16mm to 20mm Watch Band Expansion Metal Stretch Gold-tone Plated to Fit Case with Curved Ends Replacement Strap Fits Most Cases with Curved Case Openings 16mm up to 20mm Watch Band Length: 6" without Stretch Band Offers Links with Polish Gold Finish- Band Can Be Adjusted Expansion Watch Band can Update your Watch or Replace a Broken Band without Spending alot of Money