Aztek az7778 ultimate metal airbrush set aztek az7778 this metal airbrush set from aztek combines the ease and flexibility of the a470 airbrush design with a high quality triple chrome plated body to create the new a7778 metal body airbrush p forged from die cast metal the double action internal mix airbrush features the patented quick change easy to clean nozzle system add to that the full range of tips paint cups bottles gravity feed colour cups and accessories and you ve got a mod