The product is a set of two Gould NFC63 AMP Cut Out Fuses, specifically designed for use in electrical circuits with a 63 Amp current rating and 230V voltage rating. These cartridge fuses, manufactured by Lawson, are passive components that provide essential protection to electrical circuits from overloads and short circuits. The unit quantity of 2 ensures that you have spares on hand for any maintenance or repair tasks that may arise in the future. Ideal for use in a variety of electrical systems, these fuses offer reliable and efficient protection.