The GC ELECTRONICS 22-264 is a bare copper circuit board designed for a range of electronic applications. It features one ounce (0.0014") of copper on a base of either FR-4 (G-10) fiberglass or CEM-1 type epoxy reinforced board, with a thickness of 1/16". This board provides a stable and reliable platform for circuit design and fabrication. Its construction ensures good electrical performance and durability, making it suitable for both hobbyist and professional use.