3M Thin-Wall Polyolefin Heat Shrink Tubing FP 301 3/16" Black 3/4-inpieceGeneral Information Brand 3M Country Of Origin United States Sold As Case Lead Time 15 days California Residents Proposition 65 Warning Return Policy NCNR Non Cancelable Non Returnable Dimensions and Specifications Inner Diameter After Shrink (Imperial) 0. 093 in Inner Diameter After Shrink (Metric) 2. 36 mm Inner Diameter Before Shrink (Imperial) 0. 187 in Inner Diameter Before Shrink (Metric) 4. 75 mm Maximum Operating Temperature (Celsius) 135