Professional grade flexible flame retardant polyolefin tubing provides excellent insulation, protection from dust, solvents and other foreign material as well as providing strain relief. Over expanded tubing shrinks down to 33% of its original diameter to fit snugly over wires and connectors for a water-tight protective seal without reduction in tube length. Hi-Temp Shrink Tubes can be used to insulate wires, wire splicing, connections and terminals and meets the material functional properties of Military Spec DTL-23053/5C. 3 to 1 shrink ratioThick wall construction & remains flexibleOperating temp range: -67F to 275FApply at 120 to 180F using heat gunPit Stop USA offers DEI Design Engineering Hi-Temp 3:1 Shrink Tube - 24mm (.94") x 4 Ft. 10835 at low everyday prices. Be sure to check out all of our products from Design Engineering including Design Engineering Wire Wrap and Shrink Tube and DEI Wire Wrap and Shrink Tube.