TKDMR 446 Pcs Heat Shrink Tubing Kit - 4:1 Ratio Adhesive Lined Marine Grade Shrink Wrap - Industrial Heat Shrink Tubing Black

1.Pakage Included: Upgrade 446pcs 4:1 Ratio 7 most commonly used diameters ranging from 3/32"" to 3/4"". Shrink tubing is precut to 1.75"" inches. 2.High Shrinkage Ratio: 4:1 SHRINK RATIO it can shrink to 1/4 of the original diameter Shrink tighter and seal better than 3:1 and 2:1. Suitable for more application.the shrinkage temperature is 125°C (257°F) and the withstand voltage is 600V.Wire Cable shrink wrap.High flame retardant coefficient. 3.Glue Inside: Shrink Tubing for Wires When the Heat-shrink tube shrinks the glue film on the inner wall will melt and then it will be adsorbed on the surface of the object tightly so as to connect tightly insulate and seal off perfectly. Eliminates the problem of 3:1 and 2:1 tubing not shrinking tight enough. It has the advantages of waterproofing moisture-proof wear-resistant anti-skidding heat-resistant tensile-resistant anti-aging and corrosion resistance. 4.Easy to Use: Only need to cut the required size heat shrinkable t