The FIT221V1/2-BLACK-150 is a flexible heat shrink tubing designed for protecting and insulating cables and connectors. Made from irradiated polyolefin, it features a 2:1 shrink ratio and a low shrink temperature of 90°C. This 1/2-inch tubing has a minimum supplied inner diameter of 0.500 inches that recovers to a maximum of 0.250 inches, with a nominal recovered wall thickness of 0.025 inches. It operates reliably across a temperature range of -55°C to 135°C. Compliant with UL, CSA, and military standards, this tubing is ideal for industrial applications, cable management, and use with heat-sensitive substrates.