Features: <br> <br>These circuit board is made of fine material for long service life. <br>With the special design,the circuit board works very stable. <br>10 pcs circuit board a set can satisfy your quantity needs. <br>The circuit board is suitable for soldering practice. <br>1.2mm board thickness makes the board not easy to deform of break. <br> <br>Specification: <br>Size:5 x 7cm / 1.97 x 2.76in <br>Thickness: 1.2mm / 0.05in <br>Hole Distance: 2.54mm / 0.1in <br>Bonding Pad Diameter: 2mm / 0.08in <br>Hole Diameter: 1mm / 0.04in <br> <br>Package List: <br>10 x Circuit Board<br>1、These circuit board is made of fine material for long service life. <br>2、10 pcs circuit board a set can satisfy your quantity needs. <br>3、With the special design,the circuit board works very stable. <br>4、The circuit board is suitable for soldering practice. <br>5、1.2mm board thickness makes the board not easy to deform of break.