Heat Shrink Tubing, Heavy Wall, Cross-Linked Polyolefin, Flame Retardant No, Shrink Tubing Adhesive Lined Yes, -67 Degrees to 230 Degrees F, Shrink Ratio 3:1, 2 to 4/0 AWG, Shrink Tubing I.D. Before Shrinking 1.100 In., I.D. After Shrinking 0.037 In., Shrink Tubing Wall Thickness After Shrinking 0.120 In., Shrink Tubing Length 25 ft., Black, Min. Shrink Temp. 250 Degrees F, Max. Voltage 1000V, Features Adhesive Lined, Standards UL,CSA