ITEM NAME:8X12Cm Double Side Protoboard Circuit Tinned Universal Prototype Pcb Board JR 8x12CM Double-Side Prototype Board, Grid :about 0.1inch (2.54mm) Thickness : about1.6mm Hole diameter : Approx.1.0mm Dimension:Approx.8x12cm(W*L) Material:glass fiber Color:As shown in the picture All holes are plated through Both sides are identical.8x12CM Double-Side Prototype Board. Both sides are identical. All holes are plated through.