TE Connectivity RNF100378XSTK heat shrink tubing is crafted from polyolefin and measures 3/8 inch in diameter. The tubing is black in colour, ensuring minimal visibility in various applications. It provides reliable insulation and protection for wiring and harnesses. Typical uses include electrical insulation, strain relief, and protection from environmental factors. https://elecena.pl/product/29186767/te-connectivity-5070072039-rnf100378xstk-heat-shrink-tubing-3-8-inch-polyolefin 2025-07-31 https://elecena.pl/product/29186767/te-connectivity-5070072039-rnf100378xstk-heat-shrink-tubing-3-8-inch-polyolefin 2025-10-22