506391-001 Double Wall Heat Shrink Kit (Red & Black) - With this dual heat shrink tubing, the inner surface has been lined with an adhesive sealant which melts when heated and as it shrinks as it cools the adhesive permanently seals the connection and then it hardens.
Warning: This product may expose you to chemicals including lead which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov