ITEM NAME:5Pcs 7x9 cm DIY Prototype Paper PCB Universal Board prototyping pcb kit - OZ Product introduction: 100% and high quality Size: 7*9cm Aperture: 1.0mm Hole spacing: 2.54 mm Number of holes: 30*24=720 Plate thickness: 1.2mm Plate: 94HB bakelite plywood Packaging includes:5Pcs 7x9 cm DIY Prototype Paper PCB Universal Board.Plate thickness: 1.2mm. Plate: 94HB bakelite plywood. Aperture: 1.0mm. Hole spacing: 2.54 mm.