Wirefy Heat Shrink Tubing 3:1 Ratio

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. This creates waterproof and long-lasting insulation. EASY TO USE – Simply slide heat shrink tube over your connection point and apply heat. Make professional insulated connections in seconds. DUAL WALL TUBING – Provides enhanced protection from wear and tear. Industrial grade tubing is resistant to fluids, heat, and mechanical stretch. VARIETY OF DIAMETERS – Get the exact diameter you need. 50 Feet of shrink tubing will last through many projects.