The Blind Hole® safety air gun from Guardair:

• Patented protective air cone protects operator from dangerous chip fly-back
• Delivers a high-velocity jet of air into deep crevices to flush out chips and dirt
• 3/16-inch outside diameter brass extension allows for longer reach
• 1/8-inch diameter plastic stylus allows access into small diameter blind holes
• Best for cleaning out blind holes in metal, wood and plastic workpieces
• Maximum operating pressure 120 PSI meets OSHA standards
• Durable cast aluminum body
• 1/4-inch NPT female inlet
• Made in USA