Watertight soldering joints Blue 10pcs

Watertight soldering joints blue. Total mm2 - min 2.Total mm2 - max 4. Box 10 pieces.
Composed of a heat-shrinking sheath with an inner tin ring and two adhesive rings. Once is heat shrinked it provides: an electric connection, sealing of the two cables and provides a fully watertight welded join; very easy to fit with the professional heater model OS1412212 or with a normal lighter.