Morris Products 68116 Medium Wall Heat Shrink Tubing, 4ft Length, 2-4/0 AWG Cable Range, 0.080" Thickness, 1.10" Pre-Shrink Diameter, 0.40" Post-Shrink Diameter Medium Wall Heat Shrink Tubing - Heat Shrink Tubing for Low Voltage (2500 Volt and Below) Applications. 3:1 Shrink Ratio Heat Shrink Tubing that is suitable for a variety of Low Voltage (2500 Volt and Below) Electrical and Mechanical Applications, where lighter weight and greater flexibility are important Seals and Protects Cable Splices and Terminations High Resistance to Impact and Abrasion