Detailed Product Description Gold Finger PCBLayer6Board MaterialFR-4Board Thickness1.6 mmCopper Thickness1 OZSurface TreatmentHAL,gold fingerMin Hole0.2 mmMin Line Width3 milMin Line Space3 milSolder Mask green,redSilk ScreenwhiteOutlineroutingNote:: We can provide PCBs range from 1 layer up to 20 layers, flexible PCB, quick-turn PCB, SMT business with good quality and competitive price.