Invincible Marine Heat Shrink Connector Kit, 42-Pieces Made using the highest quality components Performance and quality tested The most trusted name in marine accessories and equipment The most popular sizes of heat shrink connectors in one kit Once wire is crimped, simply heat connector to help seal out corrosion Comes with 42 pieces in a plastic box for easy access Protects wires from harnessing strain and fluids while providing insulation Comes with a 1-year warranty