Dual Wall End Cap I.D. Before Shrinking 0.55 in I.D. After Shrinking 0.18 in Temp Range -55 Degrees to 110 Degrees F Shrink Ratio 3 1 Length 1.75 in Medium Wall Use With Wire Size 12 AWG to 6 AWG Wall Thickness After Shrinking 0.079 in Material Cross-Linked Polyolefin with Adhesive Shrink Tubing Properties UV Light Resistant Flame Retardant No Color Black Adhesive Lined Yes Application General Dielectric Strength 1 000 V Min Shrink Temp 248 Degrees F