Heat Shrink Tubing 3/4" x 6" - Yellow - 4 PiecesHeat 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: 3/4"Shrinks To: 1/4"Color: YellowPer Package: 4 WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.