The product is a set of two Fujitsu MBM27128-20 UV EPROM ICs with a memory size of 128 kbit. These integrated circuits are designed with a ceramic body and a through-hole mounting style, making them suitable for various electronic applications. The EPROM ICs feature a CMOS output type and 28 pins, perfect for parallel interface applications. Manufactured in Japan, these UV EPROM ICs offer reliable performance and stability for a range of industrial and commercial uses.