Introducing the CGPT-R-12.7-45 heat shrink tubing, a versatile solution for your wire and cable management needs. This yellow/green tubing, made of irradiated modified polyolefin, offers a reliable 2:1 shrink ratio when exposed to its 80°C shrink temperature. With an operating temperature range of -40 to 135°C, it ensures durability in various environments. The .25-inch (6.4mm) recovered diameter and .5-inch (12.7mm) expanded diameter make it suitable for a wide range of applications. Trust in this high-quality product for efficient abrasion protection and secure insulation in your projects. Please note that this item is not for high-reliability use.