20Pcs Double-Side Protoboard 4 Sizes Circuit Universal Prototype PCB Board Hobby

5 Prototype PCB Board 5 7cm. 5 Prototype PCB Board 4 6cm. 5 Prototype PCB Board 3 7cm. 5 Prototype PCB Board 2 8cm. Quantity : 20pcs. Material : double Side Copper PCB.

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