Product Name : Heat Shrinkable Tube;Material : Polyolefin;Rated Voltage : 600V Temperature Level : 125 Celsius; : -1 Diameter : 1mm / 0.039" (Before Shrinking),0.5mm / 0.019" (After Shrinking);Shrink Ratio : 2:1 Length (.) : 4M / 13.1Ft;Color : Red Weight : 5g Suitable for electric insulation and bonding of cables and connectors and widely applied for connecting or end-handling, electric wire, insulating and harness of electric wire, corrosion-proof of metallic rods or tubes, and antenna protection. Very thin wall tubing good protection for temperature sensitive components. Low shrink temp improves production efficiency. Fast, safe, secure way to wrap wiring harnesses. Package content : 1 x Heat Shrinkable Tube Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.