Bernard® Centerfire™ Nozzle cone made of copper has a 5/8 inch ID and a 1/8 inch tip recess. When combined with a HD Centerfire™ nozzle body, it results in a complete HD Centerfire™ nozzle. Removable cone allows greater access to nozzle body for spatter removal and makes it easy to clean. For use with mild steel, aluminium or stainless steel wire. For medium to heavy-duty MIG welding applications.