ITEM NAME:5 Pcs Double Side Prototype PCB Tinned Universal Breadboard 2x8cm 20mmx80mm %a Description Grid: 0.1" (2.54mm) Thickness: 1.6mm Hole diameter: 0.9mm Material: FR-4 (glass fiber) All holes are plated through Both sides are identical Dimension: 20x80mm (0.79"x3.15") Hole: 28x6 168 Hole Package Included: 5 x Double Side Prototype PCB Tinned Universal Breadboard 2x8 cm 20mmx80mm.Hole: 28x6 168 Hole. Grid: 0.1" (2.54mm). Thickness: 1.6mm. Both sides are identical.