3M(TM) Heat Shrink Cable Repair Wrap Sleeve HDCW-80/25-1000 This 39.4" (1000 mm) sleeve is designed to repair damaged cable jacketing with the Max/Min use range of 3.15"- 0.98" (80-25 mm), with sleeve dimensions for expanded diameter of 3.94" (100 mm) and recovered diameter of 0.91" (23 mm). 600/1000V Conductor Size of 500 AWG-1000 MCM.