HEAT SHRINK TUBING, 38MM ID, PO, BLACK, 20FT, PK5; Shrink Tubing / Boot Colour:Black; Shrink Tubing / Boot Material:PO (Polyolefin); Shrink Ratio:2:1; I.D. Supplied - Metric:38mm; I.D. Recovered Max - Metric:19.1mm; Colour:Black