Eventronic Waterproof Heat Shrink Tubing Kit For Wire Protection, Adhesive Lined 3:1 Shrink Ratio, Ideal For Maritme Use - Black Red (1.75",3.5" Length) Review

【Tighter shrink】:Can be shrunk to 1/3 of the original diameter, providing a tighter seal than 2:1 shrink tubing. 【Quality Material】:Double-walled tube design,made of polyolefin and hot melt glue, high temperatures melt the hot melt adhesive, sealing the connection making it waterproof, more durable and longer lasting insulation. 【Various sizes】:These tubes included 6 specifications, Length: 1.75" ,3.5", inner diameter: 1/10”, 1/8”, 1/5”, 1/4" / 3/8". 【EASY TO USE】:Easy to operate, only need to heat through the connection to repair or form a professional connection. 【Widely Use】: With effect to insulate and protect cables through the house or in industry marine grade: machine, garden, electronics, ship, car, etc. Also useful for repairing an injured wire shell.