... PCB 2.size: 130*139*2.0mm, copper 2oz 3.white soldermask, black legend 4.HASL,3 ... .0W/MK, DC1500V 1.Copper Base PCB2.size: 130**139*2.0mm, copper 2oz3.white soldermask, black legend4.HASL ... 75 100 125 150 micron 07Metal base typeAluminum,Ferrum,Copper,Stainless steel08Metal base thickness0.5 0.8 1.0 ... Minimum Letter Height0.8mm20Letter Colorwhite, black, blue, yellow, red Copper Base PCB