... mm: 8mm, 10mm, 15mm, 20mm,25mm,30mm2- length of wire outside:12mm,13mm,15mm,20mm,25mm,30mm3- shaft diameter: 6mm4 ... S- gray carbon steel wire crimped: Dia 0.20,0.30,0.35mm BS- brass coated stell wire crimped Dia 0.20,0 ... .30mm SS- stainless steel wire: Dia 0.22,0.30 ... ,0.35,0.50mm ST- knotted steel wire: Dia 0.35, ...