Heat Shrink Tubing, Thin Wall, Material Modified Elastomer, Flexible, Flame Retardant No, Adhesive Lined No, Shrink Ratio 2:1, Use With Wire Size 5 AWG to 3/0 AWG, I.D. Before Shrinking 0.63 in, I.D. After Shrinking 0.31 in, Wall Thickness After Shrinking 0.04 in, Length 6 in, Shrink Tubing Properties Abrasion , Acid and Alkali , Fuel and Oil , Solvent , Color Black, Temp. Range -67 Degrees to 392 Degrees F, Package Style Individual Pieces