250 pcs of cable connectors with low-temperature SnBi solder and shrink tubing. Suitable for connecting automotive and other wiring. Set Contents: 40× white connector: AWG 26–24 for cables 0.25–0.34mm2 100× red connector: AWG 22–18 for cables 0.5–1.0mm2 90× blue connector: AWG 16–14 for cables 1.5–2.5mm2 20x yellow connector: AWG 12-10 for cables 4-6 mm2 Instructions for use: Fold the cleaned and stripped wires over each other and pull through the connector. Heat the coupling so that it shrinks and fixes the cables (necessary temperature 85°C). Then heat the metal ring locally until it melts and pours into the cable fibers. (required temperature 135°-160°C)