Introduction: Double Sided PCB Board Prototype Panel Universal Circuit Glass 100% Brand New and High Quality. Double-Side Prototype Board Dimension: 80 x 120mm 3.2 x 4.8 Grid : 0.1 (2.54mm) Hole diameter : 0.9mm Hole (column x row): 30 x 42 Thickness : 1.6mm Material : FR-4 (glass fiber) All holes are plated through Both sides are identical Package Included: 1 x Double-Side PCB Board All holes are plated through Both sides are identical