The Matco Tools 4.5" Bent Tube Blue Blow Gun Kits, No. BGBLUEK, BGGREENK, BGORANGEK, is built to last with an improved internal spring that extends the life of the blow gun to approximately 500,000 cycles. This lightweight, user-friendly tool is made from high-impact plastic for easy control and durability. The included slide-on venturi tip is designed to increase airflow over a large surface area for quick and effective cleaning or drying as well as allowing the blow gun to be OSHA compliant. The kit features rubber tips in sizes 1/2", 1", and 1-3/8", Available in blue, green, and orange.