Jubaopen 70PCS PCB Circuit Board Prototype Breadboard Universal Double Sided for DIY Soldering(7Sizes, Green)

Practical Circuit Board: The prototype pcb board can be used as a chip transfer board, suitable for SMD or in-line chips. Our circuit board is a good choice for electronic experiments and DIY projects. 7 Different Types: There are 7 different types of pcb board kit, the sizes include: 2.2x2.2cm, 2.2x2cm, 2.3x2.3cm, 2.1x1.6cm, 2.6x1.8cm, 3x1.8cm, 3.6x2cm. Different sizes can meet your various needs. Double-Sided Soldering: Compared with traditional single-sided prototyping board, each of our universal breadboard is double-sided. More convenient to use, can be used for more complex circuits. Durable Material: The pcb breadboard is made of high-quality fiber FR-4, tin and copper. With high hardness and good flatness. Not easily damaged and can be used for a long time. Rich Packages: You will get 70 double sided prototype boards, 10 of each type. Enough quantity and model can satisfy your electronic experiment.