5pcs DIY Soldering Prototype Copper PCB Printed Circuit Board 70x90mm Item Description * 100% New * Single Side Copper PCB (Made of bakelite) * Hole Dia: about 1.0mm * Thickness: 1.5mm * Hole pitch:2.54mm * For DIY soldering * Dimension:70mm x 90 mm Package Includes: * 5x Circuit Board