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, 3/0 AWG to 400 kcmil, Shrink Tubing I.D. Before Shrinking 1.500 In., I.D. After Shrinking 0.500 In., Shrink Tubing Wall Thickness After Shrinking 0.170 In., Shrink Tubing Length 12 In., Black, Min. Shrink Temp. 250 Degrees F, Max. Voltage 1000V, Features Adhesive Lined, Standards UL,CSA, Package Quantity 10