Material: 304 stainless steel. Dimension: (Approx.) Standard Nozzle:5mm Speed Welding Nozzle Round:5mm Speed Welding Nozzle Triangular:6*6*7mm. Base diameter: 32mm ( be adjustable). Fits all popular hot air welding gun, hot air welder. Most popular selling roofing membrane welding nozzles and vinyl flooring welding nozzles..
