The Kepro FR-4 1/OZ 1/Side 6″x6″x.062″ Photosensitized Laminate S1-66G is a high-quality circuit board produced by KEPRO Circuit Systems in the United States. This photosensitized laminate is designed for use in breadboarding and prototyping, making it ideal for electronic components and semiconductors. Its dimensions of 6″x6″x.062″ make it suitable for various projects, providing a reliable and durable option for electrical equipment and supplies.