Manufactured by Hongshang, the HRA2 12/3 heatshrink is 12 mm in diameter and shrinks to 3 mm, with a 4:1 shrinkage ratio. This black heatshrink includes an adhesive lining for secure insulation and increased protection. It is typically used in electrical applications for sealing, insulating, and providing strain relief for cabling and connections. https://elecena.pl/product/28201852/hongshang-hra2-12-3-heatshrink-4-1-adhesive-black-12mm-to-3mm-1-22m 2025-04-05 https://elecena.pl/product/28201852/hongshang-hra2-12-3-heatshrink-4-1-adhesive-black-12mm-to-3mm-1-22m 2025-07-19