5x7cm DIY PCB Prototyping Perf Circuit Boards Breadboards -Pack of 10- by Envistia Mall

Single-sided 5cm x 7cm copper plated Printed Circuit Boards (PCB) for point to point DIY soldering, breadboarding and prototyping. Features: 432 holes (24 x 18) Hole Diameter: About 1mm  Hole pitch: Standard 2.54mm Front side holes are copper plated, reverse side are unplated  Board Size: 5cm x 7cm x 1.2mm (1.97 x 2.76 x 0.05 inches) Mounting holes in 4 corners, approx 2.5mm diameter Package Includes:    10 pieces 5x7cm DIY Prototype PCB Circuit Board Universal Breadboard