The TE Connectivity / Raychem Brand part 557721-000 is a TMS-RJS-RIBBON-4RPSCE that is designed for use in high-performance applications. This ribbon features a compact design and is made from durable materials for long-lasting use. The TMS-RJS-RIBBON-4RPSCE is capable of delivering excellent electrical performance and is suitable for use in a variety of demanding environments. This ribbon is specifically designed to meet the unique needs of professionals in the electrical and telecommunications industries, making it an ideal choice for a wide range of applications.