This is 7 X 9 CM Universal PCB Prototype Board Double-sided High-quality universal prototyping board with standard 0.1″ spacing through holes. This printed circuit universal breadboards to meet your demands when designing your own Arduino kits, electronic experiments and DIY projects. All the boards are thick and double sided. Solders well, No sharp edges, made of FR4 glass fiber with 1.6mm thickness, very sturdy which makes it very easy to solder components on. PCB boards are good for moving your circuit from a breadboard to a circuit board.
