' Braided Sleeving, Closure Type Self Wrap, Nonexpandable, Length 10 ft., Dia. Range 0.310 In. to 0.500 In., Color Black, Inside Dia. 0.500 In., Material of Construction Polyethylene Terephthalate, Temp. Range -49 Degrees to 302 Degrees F, Description/Special Features General Purpose, Wall Thickness 0.025 In., Standards UL Recognized '