The RNF-100-4-0-STK is a high-quality black heat shrink tubing designed for durable and reliable wire and cable management in HVAC systems. Made from irradiated modified polyolefin, this tubing has a 2:1 shrink ratio, ensuring a tight and secure fit around cables. With a shrink temperature of 95 °C and an operating temperature range of -55 to 135 °C, it provides excellent protection in harsh environments. The overall length of 1220 mm allows for versatile use, while the recovered diameter of 50.8 mm (2 in) accommodates standard cable sizes. This RoHS-compliant tubing, also known as RNF10040STK, is a essential component for professionals in need of high-performance abrasion protection for cables.