NT-3/4-0-SP Heat Shrink Tubing offers reliable and durable protection for cables and wires in a variety of applications. Made from black Chlorinated Polyolefin, this tubing has a high shrink ratio of 1.75:1, ensuring a tight and secure fit. With a shrink temperature of 135 °C, it quickly and effectively conforms to the shape of the underlying cables. Operating in a wide temperature range from -70 to 121 °C, it provides excellent insulation and safeguarding against environmental factors. This product, with a recovered diameter of .429 in (10.9 mm) and expanded diameter of .75 in (19.1 mm), is versatile and suitable for different cable sizes. RoHS compliant and in stock, it guarantees both quality and availability for your needs.