Cheap And Discounts 10Pcs 5x7cm FR-4 Fiberglass Board PCB Double-Sided Laminated Printed Circuit Board Thickness 0.15/0.4/0.6/0.8/1.0/1.2/2mm Wholesale. Buy Directly From Merchant DWC-LSI Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.