The TE Connectivity / Raychem Brand part 202K174-100/180-0 is a high-quality heat shrink semi-flexible molded boot designed specifically for use with ST connectors. With its durable construction and excellent insulation properties, this boot provides reliable protection for your connectors in even the most challenging environments. The boot is made from black zerohal material, which offers enhanced resistance to heat, chemicals, and UV exposure, ensuring long-lasting performance. This easy-to-install boot ensures a secure fit and helps maintain the integrity of your ST connectors, making it an essential accessory for various applications requiring dependable connectivity.