1.high precision 2.FR-4 base material 3 ... ~ 3.0oz Laminate Materials FR-4,FR-1,,FR-2,CEM-1,CEM-3 Board Cutting Max. number of layers ... 0.0008” (0.02mm) Aspect ratio 20(5:1) Solder Mask Color green,light green,white,black,dark brown ... FR-4(1/3+-0.1mm);FR-1,FR-2,CEM-1,CEM-3(1/2+-0.1mm) V-cut angle 15°,18°,30° ... with pcb,kindly contact me for more details! 1.6MM Thickness ,LED car light,FR4 Single Sided PCB