HEAT-SHRINK TUBING 3:1 40MM BLACK; I.; HEAT-SHRINK TUBING 3:1 40MM BLACK; I.D. Supplied - Metric:40mm; I.D. Supplied - Imperial:1.575"; Shrink Ratio:3:1; Shrink Tubing / Boot Colour:Black; Length - Imperial:82.02ft; Length - Metric:25m; I.D. Recovered Max - Metric:13mm