Guardair Corporation's Blind Hole Air Gun can clean out blind holes in metal, wood, and plastic work pieces. It delivers a high velocity jet of air into deep crevices and blind holes to flush out chips and dirt. Features protective air cone shields to protect against dangerous "chip fly-back," ergonomic pistol grip-style handle, and air craft cast aluminum body. Available in 6", 12", and 18" lengths. Includes a 3/16" OD brass extension with 1/8" OD plastic stylus tip.