Individual Cable Tubing: Tubing Type - Heat Shrink Tubing; Voltage - 600V; Temperature Rating - -55 to 135 deg C -67 to 275 deg F; Wall Type - Thin Wall; Material - Polyolefin, Non-Lined; Shrink Ratio - 2-1; I.D. Expanded - 0.37 in 9.3 mm; I.D. Recovered - 0.18 in 4.6 mm; Color - Black; Length - 4.00 ft; Additional Information - Flammability: Meets UL 224 VW-1, Package: 250x4.00 ft; Manufacturer Series - Dry-Shrink HSTTV