Description:<br>US Size 5:Diameter 15.7mm，width 8mm<br>US Size 6:Diameter 16.5mm，width 8mm<br>US Size 7:Diameter 17.3mm，width 8mm<br>US Size 8:Diameter 18.2mm，width 8mm<br>US Size 9:Diameter 19mm，width 8mm<br>US Size 10:Diameter 19.8mm，width 8mm<br>US Siz