Heat Shrink Tubing, Thin Wall, Material Polyolefin, Flexible, Flame Retardant Yes, Adhesive Lined No, Shrink Ratio 2:1, Use With Wire Size 2/0 AWG to 500 MCM, I.D. Before Shrinking 1.04 in, I.D. After Shrinking 0.5 in, Wall Thickness After Shrinking 0.03 in, Length 6 in, Shrink Tubing Properties UV Light , Color Black, Temp. Range -55 Degrees to 125 Degrees F, Package Style Individual Pieces, Min. Shrink Temp. 158 Degrees F, Dielectric Strength 600 V, Max. Temp. Rating 125 Degrees F