NightGlow Spiral Wrap, Properties Photo Luminescent, Material Polyethylene, Max. Operating Temperature 280 Degrees F, Min. Operating Temperature -40 Degrees F, Nominal Inside Dia. 9/16 in, Color Off White, Wall Thickness 1/16 in, Length 66 ft, Width 5/8 in, For Maximum Bundle Diameter 1 1/16 in, For Minimum Bundle Diameter 5/8 in, Helical Cut Pitch 0.6 in, Nominal Outside Dia. 11/16 in