welding torch tip: 1)main used for CO2 welding gun 2)material:Cr, Zr, and Cu 3)model:M6* ... *45mm 4)ISO9001:2000 and CCC welding torch tip detailed specification: 1)main used for CO2 welding gun2)material:Cr, Zr, and Cu3 ... .7.Tig /Argon Welding & Cutting Parts : electrode tip & nozzle , welding collect ,collect body,gas lens , ceramic nozzle, long cap , short cap welding torch tip