Heavy Wall Heat Shrink Tubing - 1" x 12" - 2-Pack - RedPackage of 2 Red 12"(30.5cm) long sections with a 1"(25mm) diameter that shrinks to 3/8"(9mm)Wire Range: 2-4/0 AWGFeatures: Cross Linked polyolefin tubing is much stronger than PVC tubing and will not burn like PVCHeat activated adhesive lining provides impervious seal to salt water, oil, acids, and sunlight as well as providing strain relief3:1 RatioShrinks at 257°;F / 125°;COperating temperature range of -40°;C to 110°;CUL 224WARNING: 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.