Black Crystal Beaded Chains - Butterfly Beads Necklace Chain Jewelry Making Supplies 1m Set 

•  Material: Copper + Crystal.
• Size: 7.5mm, as the picture shows. 
• Conversion: 1mm=0.03937inch, 1inch=25.4mm
• Manual measurement, please allow a little bit difference.
• Color: KC Gold Chain + Black Beads.

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