*Precise-machined nozzle hand piece with color cup side-detached or fixed-on type gives convenient drawing and steady perfromance. *Pre-set adjustment assures fine line width and even spray. *Two-stage push-botton control allows fine and thick patterns drawing by regulating the air. *Suitable for any artwork; such as photo-retouching; fine drawing; illustrations; precise crafts; hobbist; plastic models by application of color inks; water color; lacquers; design color; acrylic color; etc.