3M Multi-wall Polyolefin Adhesive-Lined Heat Shrink Tubing MW 1/4"Black 6-inGeneral 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 38 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. 03 mm Inner Diameter Before Shrink