Sparmax Pistol Grip GP850 Spray Gun Airbrush Dimensions: 5.5' 2.7' 6.3' The Sparmax GP-850 airbrush offers adjustable spray pattern from round to fan shape. Simply remove the fan type air cap and placed the rounded air cap for different spray pattern. Nozzle size 0.5 mm Gravity feed fluid cup size 125 cc Pre-set color flow control