FL2500-NO.4-J2-0-55MM is a high-quality black heat shrink tubing designed for reliable wire and cable protection. Made from irradiated modified polyolefin, this tubing has a 4:1 shrink ratio and a shrink temperature of 110 °C, ensuring a secure fit and excellent insulation. With an operating temperature range of -40 to 135 °C, it offers durable performance in a variety of environments. The overall length of 55 mm (2.165 in) and recovered diameter of .175 in (4.45 mm) make it suitable for a range of applications. Expanded diameter is .7 in (17.78 mm). This product, also known as CB0934-000, is ideal for abrasion protection and is commonly used in wire and cable management. Please note that it is not for high-reliability applications.