The new TURBO Precision Nozzle is specially designed for use on flooring materials with a urethane finish. It has 13 pre-heating jets that deliver the hot air with precision into the groove thus eliminating unnecessary burning/ scorching on top of the material. This TURBO Precision Nozzle must be used in combination with our TURBO Roller Guide. It is NOT sold separately. The TPN can also be used with the TURBO Caddy. It is designed to be operated at the maximum temperature of 600 degrees Celcius on the welding gun.