The Grote Heat Shrink Tubing is the perfect solution for protecting and sealing electrical connections. This tubing features an industry leading dual wall, adhesive lined heat shrinkable tubing with encapsulate lining. The inner wall has a unique specially formulated adhesive that forms an outstanding barrier against fluids and moisture. When heated, the outer jacket shrinks and the inner wall melts to flow and fill surface irregularities. FleetPride is your First Click in Heavy Duty®.