Copper Weight: 1oz - 3oz, Minimum Drill Hole Size: 0.2mm Trace Width/Spacing: 4/4mil, Minimum Solder Mask Dam: 0.1mm For special requirements not available on this page, please try the Advanced PCB service. If you still cannot find what you are looking for, please send your requirements and Gerber files to us ([email protected]) and we will come back to you with a price in 2 working days.