5ft of ThermOSleeve 1" BLACK Polyolefin thin wall cross-linked Heat Shrink Tubing.  This product has a 2:1 shrink ratio and is both UL & CSA certified at 600V @ 125 Degree Centigrade UL File E180908.

Shrinks from 1" inside diameter down to 1/2" diameter.

ThermOSleeve tubing is a Polyolefin flexible heat shrinkable tubing designed for the commercial market.  Properties include flame-retardancy, resistance to common fluids and solvents as well as high dielectric strength.  It is suitable for a wide range of applications, including electrical insulation, strain relief, cable bonding, color-coding and identification.