- Includes 4 paper-coated PCB boards, designed for prototypes and electronic projects. - Each board measures 70mm x 100mm x 1.5mm, with copper coating on one side only. - High-quality material, stable and with excellent copper adhesion to the base. - Suitable for modeling, circuit testing, sign making, and DIY development. - Surface may show marks or scratches, with no impact on functionality. - Compatible with multiple applications in industrial and educational electronics.