Heat Shrink Tubing Thin Wall Material Polyolefin Flexible Flame Retardant Yes Adhesive Lined No Shrink Ratio 2 1 Use With Wire Size 14 AWG to 12 AWG I.D. Before Shrinking 0.12 in I.D. After Shrinking 0.05 in Wall Thickness After Shrinking 0.02 in Length 4 ft Shrink Tubing Properties UV Light Resistant 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