Shrink tube with adhesive is a flexible, flame-retardant heat shrinkable polyolefin tubing, with a thick wall modified adhesive which melts and flows, encapsulating and sealing components inside. Recommended for applications that require water proofing for light cable and wire harnesses and protection of connectors. Operating temperature is -67F to 257F. Great for water proofing wires and connectors 19mm inside diameter shrinks to 6mm High grade military spec 2 ft Length DO NOT apply directly to exhaust components.