4 Layers 1.6mm Thickness Flash Gold Treatment PCB Board Clone Layers: 4 Thickness: 1.6mm Surface Treatment: Flash Gold Solder Mask: Green INQUIRY You can make an inquiry about this product.Your e-mail will not be leaked. PRODUCT DETAIL 1.Layers: 4; 2.Thickness: 1.6mm; 3.Surface Treatment: Flash Gold 4.Solder Mask: Green Share: RELATED Pcb Copy Services 6 Layers Blue Solder Mask Immersion Gold PCB Copy Impedance And Blind Buried Holes PCB Copy PCBA Copy service 8 Layers 2.0mm Thickness Green solder mask PCB Copy 100ohm Characteristic Impedance Control PCB Copy Board 4 Layers 2oz copper And HASL, Lead free PCB Copy