These versatile 5 cm x 7 cm (approximately 2 x 2.75 inches) copper perfboard PCB boards are essential for electronics enthusiasts and DIY project builders. Each pack includes 10 high-quality single-sided printed circuit boards made from durable paper composite material with copper traces. The universal breadboard layout features a standardized hole pattern that makes it perfect for prototyping and creating permanent circuit solutions. The pre-drilled holes allow for easy component mounting and soldering, while the copper surface provides excellent conductivity for your electronic connections. These PCB boards are ideal for both beginners learning electronics basics and experienced makers working on complex projects. The robust construction ensures reliable performance for various applications, from simple LED circuits to more advanced microcontroller-based designs. Perfect for hobbyists, students, and electronics professionals who need reliable prototyping materials.