20pcs PCB Prototyping Board Circuit Protoboard Strip Prototype Veroboard 2X8 3X7 4X6 5X7 5Pcs Each Mixed Double. 5pcs 2 8 cm Double-Sided PCB Boards. 5pcs 3 7cm Double-Sided PCB Boards. 5pcs 4 6cm Double-Sided PCB Boards.
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