[ Size ] - This stainless steel deployment clasp buckle fits for 16mm/0.63-inch width Leather watch straps. [ Feature ] - Made of solid stainless steel material and electroplated, smooth touch, and good looking. [ Application ] - The watch band extender is mainly used for adjusting the length of the watchband, making the watch convenient to wear and take off. [ Convenient ] - You can adjust the watch strap at home by yourself, no need to go to a watch repair shop. [ Note ] - Please confirm the correct size before ordering, make sure the deployment clasp size matches your watch band.