The Radioshack NOS 6-Position Dual-Row Barrier Strip is a terminal block accessory used in electrical equipment and supplies. It features a body material of nylon, contact material of steel, and termination type of threaded, making it durable and secure for electrical connections. This barrier strip is designed with compatibility for through-hole mounting and consists of two rows with six positions each, providing ample space for wire connections. Made in the United States by RadioShack, this product ensures high quality and reliability for various wiring and terminal block applications.