Cold Shrink Tubing, Medium Wall, Material EPDM Rubber, Flexible, Flame Retardant No, Adhesive Lined No, Shrink Ratio Not Rated, Use With Wire Size 1250 MCM to 2000 MCM, I.D. Before Shrinking 3.69 in, I.D. After Shrinking 1.68 in, Wall Thickness After Shrinking 0.06 in, Length 9 in, Shrink Tubing Properties UV Light , Color Black, Temp. Range -66 Degrees to 500 Degrees F, Package Style Individual Pieces, Dielectric Strength 1,000 V, Max. Temp. Rating 500 Degrees F