... : Spec.: ER70S-6 diamter 0.8mm,1.0mm,1.2mm,1.6mm welding wire for coil nail:1) Material: Fine imorted wire rod coated ... weight,smooth,firm layer rod even, strong corrosion resistance, welding safety,fine mechanical functions.3) Standards: According to the ... professional standards.4) Application: For coil nails.specificationpackage0.65mm15--18 kg/spool0.70mm15--18 kg/spool welding wire for coil nail