Heat Shrink Tubing, Heavy Wall, Material Polyolefin with Adhesive, Semi Rigid, Flame Retardant Yes, Adhesive Lined Yes, Shrink Ratio 3:1, Use With Wire Size 250 MCM to 750 MCM, I.D. Before Shrinking 2 in, I.D. After Shrinking 0.65 in, Wall Thickness...