HEATSHRINK 2:1 19.1MM 50M; Shrink Ratio:2:1; I.D. Supplied - Imperial:0.751"; I.D. Supplied - Metric:19.1mm; Shrink Tubing / Boot Colour:Black; Length - Imperial:164ft; Length - Metric:50m; I.D. Recovered Max - Imperial:0.374"; I.D. Recovered Max - Metric:9.5mm; Shrink Tubing / Boot Material:PO (Polyolefin); Product Range:TF21 Series; Accessory Type:Heat Shrink; I.D. Max Recovered:9.5mm; I.D. Supplied:19.1mm; Wall Thickness Recovered:0.76mm