Ancor Heat Shrink Tubing 1" x 12" - Yellow - 3 Pieces [307924]Heat Shrink Tubing 1" x 12" Yellow 3 Pieces Heat activated adhesive lining creates a superior water, oil, and acid resistant seal. Most shrink tubing on the market reduces to a 2: 1 ratio, Ancor tubing shrinks to 3: 1 which allows a wider range of applications for each tubing size. Features: Diameter: 1" Shrinks To: 1 4" Color: Yellow Per Package: 3 WARNING: This product can expose you to chemicals including di(2 ethylhexyl)phthalate (dehp) which is