The Hongshang HSEC 135 Heatshrink End Cap has a nominal inside diameter of 40 mm before shrinking. It provides excellent cable insulation and protection. This product is typically used in electrical applications to seal and protect the ends of cables. https://elecena.pl/product/28201812/hongshang-hsec-135-series-heatshrink-end-cap-40mm-inside-diameter 2025-04-05 https://elecena.pl/product/28201812/hongshang-hsec-135-series-heatshrink-end-cap-40mm-inside-diameter 2025-07-19 https://elecena.pl/product/28201812/hongshang-hsec-135-series-heatshrink-end-cap-40mm-inside-diameter 2026-06-17 https://elecena.pl/product/28201812/hongshang-hsec-135-series-heatshrink-end-cap-40mm-inside-diameter 2026-07-10