Wirefy Heat Shrink Tubing Kit - Heatshrink Sleeving Kit - 3:1 Ratio Adhesive Lined - Marine Grade Shrink Wrap - Wire Cable Repair Sleeve - Automotive Industrial Tubing - 275 PCS

3:1 Shrink Ratio: Recovers to 1/3 of its original diameter, and makes a tight seal. Eliminates the problem of 2:1 tubing not shrinking tight enough.

Glue Inside: When heat is applied, adhesive comes out and seals the connection, creating waterproof and long-lasting insulation.

Variety of Sizes: We have included 7 most commonly used diameters ranging from 3/32" to 3/4". Shrink tubing is precut to 1.75 inches.

Easy to Use: Simply slide heat shrink tube over your connection point and apply heat. Professional connections made in seconds.

Dual Wall Tubing: Outer wall provides abrasion resistance. Inner wall creates waterproof seal and strain relief.