sk: Green,Red,Black,Yellow,Blue,Orange,Purple Laser Drill Hole Size: 0.1mm Copper Weight Tolerance: ± 0.25oz Board Thickness Tolerance: ±10% Function Testing: Yes Lead Free Technology: Yes RoHS Compliant: Yes UL Approved: Yes Certificate: RoHS,UL,CE,ISO9001,ISO14001 Packaging & DeliveryPackaging Details:Inner packing :Vacuum Package Outer packing:Standard Carton BoxDelivery Detail:3-5 daysSpecifications1. Double Sided/Multilayer OEM&ODM Electronic PCB. 2. HASL(Hot Air Solder Level