ITEM NAME:5pc PCB Board 7*9cm Circuit Board Panel Single Side Electronic Soldering BoSEAU Material : double Side Copper PCB Hole Dia:about 1mm Hole spacing:2.54mm Plate thickness:1.6mm For point to point DIY soldering Dimension: 7*9cm Package Include: 5pc.For point to point DIY soldering. Material : double Side Copper PCB. Hole Dia:about 1mm. Hole spacing:2.54mm.