Wirefy 190 PCS Heat Shrink Tubing Kit 4:1 Dual Wall Tube Adhesive Lined Marine Black, Red

4:1 SHRINK RATIO - Recovers to 1/4 of its original diameter, and makes a tight seal. Highest heat shrink ratio on the market. 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 5 most commonly used diameters ranging from 1/4" 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., Weight: 0.57 pounds, Manufacturer: Wirefy