Shrink-On Tubing Individual Cable Tubing: Tubing Type - Heat Shrink Tubing; Voltage - 600V; Temperature Rating - -55 to 125 deg C (-67 to 257 deg F); Wall Type - Medium Wall; Material - Polyolefin, Adhesive Lined; Shrink Ratio - 3-1; I.D. Expanded - 3.00 in (76.2 mm); I.D. Recovered - 1.00 in (25.4 mm); Color - Black; Length - 4.00 ft; Manufacturer Series - MWTM