Diameter Size:  Size 8 = Internal diameter 17.5mm
<br />                       Size 9 = Internal diameter 18.6mm
<br />                       Size 10 = Internal diameter 19.1mm
<br />Quantity:1pcs
<br />Color:    Silver
<br />Gender: men and women
<br />Applicale Occasion:party,wedding,pub,club,daily jewelry,gifts etc.
<br />Conversion:1 mm=0.0394inch  1inch=25.4mm
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