Four safety air guns. The soft grip and heavy duty safety air guns are available with a variety of air nozzles (listed in order of force). Those with stainless steel air nozzles provide higher mechanical wear while withstanding corrosion and high temperatures. Air consumption, force and sound level are shown for all models.air guns are available with different nozzles ( different blowing capacities),with various lengths of extension pipes and also chip shields.for details, please visit