5651-005R Magna Tube Heat Shrink Tubing Red (1/2 Inches 5 Pack 6 Inches Tubes) - This premium quality heat shrink tube is for heavy duty applications in abrasive environments where protection is a must with a 3 to 1 shrink ration and a final wall thickness of 1/8 Inches. Lined with an adhesive that melts when heated and creates a permanent connection when cooled. This shrink tube meets DOD Mil-DTL-2305/15A Class 1 and 2 specifications. Premium quality for heavy duty applications or for use in abusive environments requiring protection from abrasion,Inner surface lined with adhesive sealant which melts when heated and permanently seals connection as tube cools and shrinks,Conforms to DOD Mil-DTL-23053/15A Class 1 and 2 specifications,3:1 ratio, final wall thickness 1/8 Inches,Expanded Diameter: 1/2 Inches,Shrunk Diameter: 3/16 Inches,Use with Wire Gauge: 6 - 2 Gauge