5x7 4x6 3x7 2x8cm Double Side Prototype Diy Universal Printed Circuit PCB Board

20pcs x PCB prototype board. Quantity: 20pcs per set (5pcs 5 7cm, 5pcs 4 6cm, 5pcs 3 7cm, 5pcs 2 8cm). 4 Sizes: 5 7cm/1.97" 2.76", 4 6cm/1.57" 2.36", 3 7cm/1.18" 2.76", 2 8cm/0.79" 3.15" (W L).

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