iStrap Stainless Steel Butterfly Deployant Buckle Double Push Spring Watchband Clasp Color & Width (16mm 18mm and 20mm) Go to amazon.com Related posts Thing need consider when find gizmo watch clasp? FeatureMade of 316 L solid stainless steelSize: 20mmPolished finishButterfly deployant clasp, would snap open when pressing the 2 buttonsGeneral style, can fit most watch straps as thick as 3.5mm DescriptioniStrap 20mm Stainless Steel Butterfly Deployant Buckle Double Push Spring Watchband Clasp Polished