Electriduct 3/4" Heat Shrinkable Braided Sleeving - 50 FT Size: 3/4" Diameter | Length: 50 Feet | Color: Black Shrink Ratio: 2:1 (will shrink to half its nominal size) Material: Polyolefin + Polyester | Min. Shrink Temp.: 80C Flammability: Self-extinguishing