Centerfire™ HD series 2-piece nozzle body. Save money on nozzle replacement by replacing only the front part of the nozzle. Two piece nozzle makes cleaning easy - remove cone for greater access to nozzle body for spatter removal. No tools required to replace nozzle or contact tip with unique Centerfire design. Spatter shield within nozzle holds tip in place, protects diffuser and directs gas evenly with reduced turbulence. Rugged nozzles include a ceramic insulator for extended life, withstand heat and abuse.