1. New innovative design pistol style pneumatic blow gun with formed and streamlined ergonomically shaped handle increases operator comfort and control. 2. 4", 12" and 20" Tube Air Blow Gun. 3. Dia. 6 mm Steel Tip. 4. Maximum working pressure 200 PSI. 5. Operating temperature range; -4°F ~ 158°F(-20~70) 6. 1/4 NPT or PS Air Inlet.