HEAT SHRINK TUBING 1.57MM ID BLACK PACK OF 1000 0.5IN PIECES; I.D. Supplied - Metric:3.18mm; I.D. Supplied - Imperial:0.125"; Shrink Ratio:2:1; Shrink Tubing / Boot Colour:Black; Length - Imperial:0.5"; Length - Metric:12.7mm ;RoHS Compliant: Yes