Prevost Blow Gun Kit. Prevost blow gun kit comprising of a 4m polyurethane coiled airline and ergonomic 27102 air gun with metal nozzle. Features and Benefits. Smooth shape and finish prevents dust and filings build up on trigger and case. Directional jet. Brass insert connection. Smooth trigger action for precise adjustment of airflow. 4m Polyurethane coiled airline 5mm ID, 8mm OD. R1/4 BSPT connection. Applications. The 27102 blow gun kits are suitable for various applications including, dust removal, blowing, cleaning and drying of tools and workstations. They are ideally suited to various industry sectors, industry, automotive, production and so on.