Binding Wires Blue-annealed soft iron binding wire on a handy spool for professional goldsmiths. Ideal for precise securing during soldering work and for wrapping around the soldering carbon rod to provide extra stability. Products nameVersionthicknesscontentsitem No.binding wireblue-annealed0.30mmSpool513752binding wireblue-annealed0.35mmSpool513753binding wireblue-annealed0.50mmSpool513755binding wireblue-annealed0.55mmSpool513756