The GC Electronics 22-338 Pre-Sensitized Positive PCB Blank Board is a single unit measuring 6″ x 9″ x 1/16″. This board is perfect for electronic projects and prototyping, providing a solid base for circuit designs. The pre-sensitized positive PCB allows for easy visual identification of copper traces, making it a versatile and convenient choice for various electronic applications. Built by the trusted brand GC Electronics, this PCB blank board is a reliable and efficiently sourced product for both hobbyists and professionals in the industry.