TruComponents 1567328 Heatshrink with adhesive is a high-quality product designed for secure insulation and protection. This black heat shrink tubing measures 12 mm in diameter and can shrink to 3 mm, with an impressive 4:1 shrink ratio, spanning 1.22 metres in length. Typical applications include bundling wires, safeguarding electrical connections, and providing strain relief, making it ideal for automotive, industrial, and DIY projects.