Specification: - Material: 304 stainless steel - Size: 20mm nozzle - Package:1pc 20mm 60 degree nozzle+1pc 20mm 90 degree welding nozzle Applications: - Fits all popular hot welding , hot welder etc,most of others. - Most popular selling roofing membrane welding nozzles and vinyl flooring welding nozzles. Material: 304 stainless steel 1. The weld nozzle Used for polypropylene, polythene, PVC and polycarbonate etc.variety hot melt plastic 2. Resistant to high temperature, no leakage, convenience to replace, versatility Fits all popular hot welding , hot welder - Most popular selling roofing membrane welding nozzles and vinyl flooring welding nozzles.