●Package Contents: 10 piece set 0.8 x 3.1 inches (2 x 8 cm) PCB prototype battle ●[Printed Board Size] 3.1 x 0.8 inches (80 x 20 mm), Hole Diameter (Each): 0.04 inch (1 mm), Hole Pitch: 0.1 inch (2.54 mm), Thickness: 0.06 inch (1.6 mm) ●(Base Material) Durable fiberglass - FR4 material (0.06 inch (1.6 mm) thick) is a very strong and durable prototype circuit board ●【Application】Solderable PCB allows you to transfer circuits and wires from the plug-in breadboard without having to re-cut wires or change layout ●Easy to Use: There is a tinned hole on the board, so it is very convenient to solder components such as sensors