The TE Connectivity / Raychem Heat Shrink Tubing HTAT-4/1-0-STK is a high-quality, cross-linked polyolefin tubing designed for efficient and reliable insulation and protection of electrical wires and components. With its thin profile, this black heat shrink tubing is ideal for applications where space is limited.The tubing features a shrink ratio of 4:1, meaning it will shrink down to one-fourth of its original size when heat is applied, creating a tight and secure fit around the desired object. This ensures optimal sealing against moisture, chemicals, and other environmental factors, guarding against potential damage and ensuring long-lasting performance.Engineered with superior materials, this heat shrink tubing offers excellent resistance to abrasion, chemicals, and UV radiation, making it suitable for use in a wide range of industrial and commercial applications. It can withstand a wide temperature range, providing reliable protection even in harsh environments.Easy to use, this heat shrink tubing can be easily applied using a heat gun, allowing for quick and convenient installation. It adheres firmly to various substrates, providing a durable and professional finish.TE Connectivity / Raychem is a trusted and renowned brand known for its high-quality products, and the HTAT-4/1-0-STK heat shrink tubing is no exception. Whether used in electrical installations, automotive wiring, or any other application requiring reliable insulation and protection, this heat shrink tubing is the ideal choice.