100% Brand new and high quality 7x9cm/2.75x3.54inch Double-Side Prototype Board, Lot of 10 PCS. Thickness : about1.6mm Grid :about 0.1inch (2.54mm) Hole diameter : Approx.1.0mm Dimension:Approx.7x9cm/2.75x3.54inch(W*L) Material:glass fiber Quantity:10pcs All holes are plated through Both sides are identical Package Included: 10x 7*9cm Double-Side Prototype PCB Board