FL2500-NO.4-J2-0-50MM is a high-performance heat shrink tubing designed for durable cable and wire protection in demanding environments. Made from black Irradiated Modified Polyolefin, this tubing offers a reliable 4:1 shrink ratio, ensuring a tight and secure fit around cables. With a shrink temperature of 110 °C and an operating temperature range of -40 to 135 °C, it provides excellent thermal and mechanical protection. The overall length of 1.97 inches (50 mm) accommodates various cable sizes, with a recovered diameter of .175 inches (4.45 mm) and an expanded diameter of .7 inches (17.78 mm). This RoHS-compliant tubing, also known by part alias D54837-000, is ideal for use in HVAC systems and other applications requiring robust abrasion protection.