Enhance durability and protection for your wiring with our NT-3/4-0-SP heat shrink tubing. Crafted from black Chlorinated Polyolefin, this tubing offers a 1.75:1 shrink ratio and can withstand temperatures ranging from -70 to 121 °C. With a shrink temperature of 135 °C, it securely fits over your wires, safeguarding them from abrasion and environmental factors. Measuring .429 inches in diameter when recovered and .75 inches when expanded, it provides ample coverage for various applications. RoHS compliant and engineered for reliability, this tubing is essential for effective wire and cable management in any setting.