Pixnor 79 cm Solder Finished Prototype PCB for DIY Circuit Board Breadboard Pack of 10 Pack of 10pcs solder finished prototype PCB boards Color: Golden. Material: Single side copper PCB. Dimension: Approx.7 * 9cm. Thickness:1.2mm (bakelite plate). Hole Diameter: 1mm Hole spacing: standard 2.54mm Suitable for point to point DIY soldering.