3M Heat Shrink Heavy-Wall Cable Sleeve ITCSN-2000, Black, 12 in LengthpiecesGeneral Information Brand 3M Heat Shrink Type Adhesive Lined Polyolefin Heat Shrink Tubing Splice Type Heat Shrink Tubing Type Heavy Wall Country Of Origin United States Lead Time 2 days California Residents Proposition 65 Warning Dimensions and Specifications Cable Size Range 250 750 kcmil Expanded Inner Diameter 2 in Expanded Inner Diameter (Metric) 50. 8 mm Inner Diameter After Shrink (Imperial) 0. 65 in Inner Diameter After Shrink (Metric) 16. 5