Wirefy Heat Shrink Tubing 3:1 Ratio

When the 2:1 shrink ratio shrink tubing isn’t tight enough, Wirefy 3:1 shrink tube is your solution! this shrink tube recovers to 1/3rd of its original diameter & makes a tight seal. It will create long-lasting waterproof insulation when heat is applied. This heat shrink tubing has made it easier than ever to make professional insulated connections. With its dual walled marina grade tubing, resistance to fluid, heat & mechanical stretch, this 50 feet long heat shrink tube will last through loads of projects.