TE Connectivity Part 021146-000 is a high-quality heat shrink tube designed for electrical insulation and protection in harsh environments. This dual wall tube features a dark gray color and provides excellent mechanical and environmental protection. The heat shrink tube is easy to install and ensures a secure, long-lasting seal for your electrical connections. Ideal for use in various industrial applications, this TE Connectivity heat shrink tube is a reliable solution for your wiring needs.