3M(TM) Heat Shrink Wrap Sleeve HDCW-140/40-250 This 9.8" (250 mm) sleeve is designed to repair damaged cable jacketing with the Max/Min use range of 5.39"- 1.38" (137-35 mm), with sleeve dimensions for expanded diameter of 5.71" (145 mm) and recovered diameter of 1.26" (32 mm).