Genuine rubber bulb with air valve, squeeze for air jet, release & bulb refills. Perfect for watch & electronics repair where canned or compressed air can damage delicate parts. Thin nozzle points a precise high-velocity puff of air for cameras, jewelry, watches, clocks, models, miniatures, carvings. Rubber bulb with a brass nozzle Precision solid brass nozzle for exact placement No canned propellant or moisture from your breath Force of air controlled by strength of hand-squeeze High quality and easy to use