Thickness of 0.2 to 3.2mm (with finish copper of 1- 4 oz),Line width and spacing of 8 8 milsMinimum drilled hole of 0.5mm,Minimum punched hole of 0.9mm,Finish of UVSM PISM with lead and lead free hot air levelling or ENIG or lacquer,Mask colour- Green, Blue, Red, White and Black