ball chain spool: 1.consisted by hollow beads 2.fancy gun metal color 3.spool packing 4.certificated by Rohs, CE and GS Flexible ball chain spool is consisted by metal hollow beads. It has the metal strengh.*************************************8mm gun metal plated curtain ball chain spool Material Bead size Color Surface Technology fine iron 6mm gun metal brilliant and smoothly color platedOther ...
