3M Heat Shrink Multiple-WallGeneral Information Brand 3M Heat Shrink Type Adhesive Lined Polyolefin Heat Shrink Tubing Tubing Type Dual Wall (Adhesive Lined) Country Of Origin United States Lead Time 2 days California Residents Proposition 65 Warning Dimensions and Specifications Expanded Inner Diameter 0. 25 in Expanded Inner Diameter (Metric) 6. 4 mm Inner Diameter After Shrink (Imperial) 0. 08 in Inner Diameter After Shrink (Metric) 2 mm Inner Diameter Before Shrink