Make labeling your plug wires simple and easy. DEIÂ's numbered wire marker sets are made from high temperature Mil Spec black heat shrink tubes. They are tough enough to handle high under hood temperatures and are easy to install. High shrink ratio of 3 to 1 allows our markers to slide over plug boot ends and still shrink tight to the wires. Sets are numbered 1 through 8 in a high visibility white ink that is oil and chemical resistant. 3-1 Shrink ratio 8-Piece Set Offers clean & professional under hood look Keep track of wires

• Easy To Install Apply At 120 To 180 Degrees F Using Heat Gun
• Use To Insulate Wires/Connections/Terminals/Wire Splitting
• Max Operating Temp 394 Degrees F For Short Duration
• Operating Temp Range -67Degrees F To 275Degrees F
• Thick Wall Construction And Remains Flexible
• Alternate To Plastic Ties And Tape
• Offers Clean Professional Look
• Meets MIL Spec DTL-23053/5C
• 3-1 Shrink Ratio
• Flame Retardant