ITEM NAME:15x 2*8CM DIY Double-Side Protoboard Circuit Universal Prototype PCB Board Hot Descriptio n Description: 100% brand new and high quality. Fine workmanship and long service life. Practical and durable. All holes are plated through. Both sides are identical. Specifications: Substrate: Copper Insulation Material: Organic Resin Insulation Thickness: Conventional Board Color: Blue Size: 2*8CM Reinforced Material, Fiberglass Cloth, Insulating Resin, Epoxy Resin (EP) Aperture: 1.0mm (mm. Error 5%) Hole Spacing: 2.54mm (100mil) Number Of Holes: 6*28=168 (Pieces) Package Included: 15 *Â Double-Side Protoboard PCB Boards Note: 1.Due to the manual measurement and different measurement methods, the actual size could be slightly different. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. Whatever the ending's perfect or not, you can't disappear from my world 15x 2*8CM DIY Double-Side Protoboard Circuit Universal Prototype PCB Board Hot.15 Double-Side Protoboard PCB Boards. Substrate: Copper. Size: 2 8CM. Hole Spacing: 2.54mm (100mil). Insulation Thickness: Conventional Board. We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted.