3M Heat Shrink Medium-Wall Cable Sleeve IMCSN-1300-25 Black 6-in pieceGeneral Information Brand 3M Heat Shrink Type Adhesive Lined Polyolefin Heat Shrink Tubing Tubing Type Medium Wall Country Of Origin United States Lead Time 43 days California Residents Proposition 65 Warning Dimensions and Specifications Inner Diameter After Shrink (Imperial) 0. 43 in Inner Diameter After Shrink (Metric) 10. 9 mm Inner Diameter Before Shrink (Imperial) 1. 3 in Inner Diameter Before Shrink (Metric) 33 mm Maximum Operating Temperature