General description Heat shrink tubing is essential for insulation in the automotive industry and is ideal for insulating electronics, terminal lugs, and small electrical parts. This adhesive-lined heat shrink provides a waterproof seal that protects cabling and prevents corrosion. The smaller blister reels are perfect for enthusiasts seeking an economical solution. Technical specifications Diameter: 12.7 mm Length: 1.22 m Shrink ratio: 3:1 Adhesive lined Waterproof Usage Please use our Laser Flameless Hot Air Blower Part No 6848 for the perfect seal.