10PCS Double Side Prototype PCB Tinned Universal Breadboard 5x7 cm 50mmx70mm 100% Brand New:: Grid : 0.1" (2.54mm) Thickness : 1.6mm Material : FR-4 glass fiber All holes are plated through Both sides are identical Dimension :50x70mm Package Included: 10 x Double Side Prototype PCB Tinned Universal Breadboard 5x7 cm 50mmx70mm