● CONVENIENT TO USE - NO need to crimp. Transparent sleeve provides precise inspection when strip and insert wires inside. Color-coded tubing makes it easy for you to pick up for use. ● DURABLE CONNECTION - Tubing reduces in size and solder will melt and flow through the stripped wires, ensure strong holding. Your wire will never slip out of the connector. ● WIDE APPLICATIONS - Ideal used for vehicle, motorcycle, boat, DIY electrical wiring and other outdoor applications.