100 Ft 3/4″ ID (19.1mm) Black Polyolefin 2:1 Heat Shrink Halogen-Free RoHS UL This product has a2:1 shrink ratio and is both UL & CSA certified at 600V @ 125 Degree Centigrade. Perfect for electrical and electronic applications it is resistant to common fluids and solvents and has a high dielectric strength. byJuly 4, 2026