The product is a lot of 12 Littelfuse FLM-20 Time-Delay Fuses, suitable for interior use in electrical equipment and supplies. Each fuse has a D-Type Cartridge design made of copper, with a voltage rating of 201-250V AC. These fuses are manufactured in the United States by Littelfuse and have a Time-Delay/Slow-Blow operation method, providing a reliable and safe solution for electrical circuit protection.