TSMET369 Watch Band Expansion Metal Stretch Silver Color Curved Ends fits 17mm to 19mm Curved End Mens Watch Band Stretch Metal Silver-Tone Spring-Ends- Expansion Watch Band to Fit Mens Watch Expansion Watch Band can Update a Watch or Replace a Band without Spending alot of Money Replacement Strap Fits Most Cases with Curved Opening 17mm-19mm Case Openings Band is Polish Finish- Can Be Adjusted Speidel Expansion Watch Band Length of Band: 6.25" Length Thickness of Band: 2.9mm