ITEM NAME:10pcs Universal DIY Double Side Prototype PCB Board Tinned FR4 Breadboard 5x7cm New 10pcs DIY Double Side Prototype PCB Tinned FR4 Breadboard 5x7cm SPECIFICATIONS.New 10pcs DIY Double Side Prototype PCB Tinned FR4 Breadboard 5x7cm. 10 x double side prototype PCB. Hole Pitch: standard 2.54mm. Size: approx. 5cm x 7cm/ 1.96" x 2.75" (W x L). Suitable for: point to point prototyping.