Production:handmade.
 Product material:titanium steel.
 Treatment process: electroplating.
 Ring width:about 6mm.
 Ring size:
 US size
 6-Inner diameter about 16.4mm, inner circumference about 52mm.
 7-Inner diameter about 17.3mm, inner circumference about 54.5mm.
 8-Inner diameter about 18.1mm, inner circumference about 57mm.
 9-Inner diameter about 18.9mm, inner circumference about 59.5mm.
 10-Inner diameter about 19.7 mm, inner circumference about 62mm.
 11-Inner diameter about  20.6mm, inner circumference about 64.5mm.
 12-Inner diameter about  21.4mm, inner circumference about 67.5mm.
 Suitable for:men and women. 
 Note:1CM=10MM=0.39 inches. different computers display different colors, the actual product color may be slightly different with the above picture, thank you for your understanding! 

