3M(TM) Heat Shrink Cable Repair Wrap Sleeve HDCW-35/10-250 This 9.8" (250 mm) sleeve are designed to repair damaged cable jacketing with the Max/Min use range of 1.38"- 0.39" (35-10 mm), with sleeve dimensions for expanded diameter of 1.97" (50 mm) and recovered diameter of 0.32" (8 mm). 600/1000V Conductor Size of #8 AWG-2/0 MCM.