TE Connectivity / Raychem Brand part E66448-000, also known as HX-SCE-1K-6.4-50-4, is a heat shrink tubing designed for various electrical and mechanical applications. This high-quality tubing provides insulation and protection for wire splices, connections, and terminations.With an inner diameter of 6.4mm and a length of 50 meters, this heat shrink tubing has a 4:1 shrink ratio. This means that the tubing will shrink to 25% of its original size when heated, creating a tight and secure seal around the wires or components it covers.Made from a durable and flexible polymer material, the HX-SCE-1K-6.4-50-4 heat shrink tubing can withstand a wide range of environmental conditions, including temperature extremes, moisture, and UV exposure. It is also resistant to common chemicals and abrasion, ensuring long-lasting performance.This tubing is easy to install, requiring only a heat gun or other heat source to shrink it around the desired area. The transparent color allows for easy visual inspection of the covered components, ensuring proper installation and maintenance.Whether used in automotive, aerospace, industrial, or telecommunications applications, TE Connectivity / Raychem Brand part E66448-000 (HX-SCE-1K-6.4-50-4) provides reliable and efficient insulation and protection for your electrical connections.