TSMET368 Watch Band Expansion Silver-tone Curved Ends 16mm to 20mm Curved End Mens Watch Band Stretch Metal Silver-Tone Spring-Ends- Expansion Watch Band to Fit Mens Watche Replacement Strap Fits Most Cases with Curved Opening 16mm-20mm Case Openings Speidel Expansion Watch Band Length of Band: 6" Length Thickness of Band: 2.9mm Band is Polish Finish- Can Be Adjusted Expansion Watch Band can Update a Watch or Replace a Band without Spending alot of Money