computerized rhinestone machine 4 color,4 head rhinestone machine,computerized rhinestone machine,computer rhinestone machine. computerized rhinestone machine .1, 4 color,4 heads 2 - 6 heads avaliable to choose .2, work material : hot fix rhinestone , hot fix rhinestuds , hot fix nailhead .3, work size : 2mm -6mm4, work speed : 180 piece/min , can quickly and easily change size/color5, control ...