5PCS PCB Prototype Board Double Sided Protoboard 2x8cm 3x7cm 4x6cm 5x7cm 6x8cm 7x9cm Universal Circuit Boards Multiple Colors

5PCS PCB Prototype Board Double Sided Protoboard 2x8cm 3x7cm 4x6cm 5x7cm 6x8cm 7x9cm Universal Circuit Boards Multiple Colors

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