1high power aluminum clad pcb board 2.al: 1.6MM copper foil 1oz 3. ... Letter Height0.8mm20Letter Colorwhite, black, blue, yellow, red1high power aluminum clad pcb board2.aluminum base: 0.8-3.0MM(1100,3003,5052,6061 ... .0w/mk4.osp,HASL(Pb free), immersion gold,flash gold aluminum clad pcb board