3M Tubing & Molded Parts (Catalog Number: HDCW-80/25-750) is a black, adhesive-lined heat shrink tubing and molded shapes. Its overall length is 29.5 in (750 mm) and its inner diameter ranges from 3.94 in (100 mm) before shrink to 0.9 in (23 mm) after shrink. It is suitable for splicing cables, with a voltage rating of 1 kV to 35 kV. The product is UV and chemical resistant, halogen-free, and has a dielectric strength of 22 kV/mm. It is also adhesive lined and can handle conductor sizes from 1000 kcmil to 900 kcmil. The sleeve length is 29.5 in and the recovered sleeve diameter is 0.98 in while the expanded sleeve diameter is 3.66 in. It is designed for jacket repair with a range of 0.98 to 3.15 Inch. - 7000138429