3M Thin-Wall Heat Shrink Tubing EPS-300, Adhesive-Lined,1/2-48"-Black-HdrGeneral 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 43 days California Residents Proposition 65 Warning Dimensions and Specifications Expanded Inner Diameter 0. 5 in Expanded Inner Diameter (Metric) 12. 70 mm Inner Diameter After Shrink (Imperial) 0. 16 in Inner Diameter After Shrink (Metric) 4. 06 mm Inner Diameter Before Shrink