商品資訊
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來源：美國
尺寸：原尺寸為直徑16.5mm
HK size 13 (US size 6)
指環後端開合能任意調節尺寸
主要物料：合金，塑膠珠子
狀況：極佳，沒有明顯歲月痕跡
 
Product information
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Source: USA
Size: The original size is ~16.5mm diameter,
HK Size 13 (US size 6)
but sizes can be adjusted freely with open ring band
Main material: Alloy, plastic bead
Condition: Excellent, no significant sign of wear