DescriptionWire connector kit is made of PE and tinmaterial toensure a long lasting connection for your application. Theseheat shrink wire connectors are practical and sturdy, widely used in automotive and marine wire connecting use.Features- Color: As shown - Material: PE, tin - Size: 4.00X0.70X0.70cm/1.57X0.28X0.28in- Electrical connectors are suitable for multiple projects, such as ships, automotive, boat electronics, and so on. -Good craftsmanship, strong and ensure not easy to break, wire connectors aregood wear resistance, and can be used for a long time.- These heat shrinkwire connectors ensure strong securely connect, and prevent wires slipping from the terminal.-Electrical connectors kit can easily help you repair the automotive system, so you can buy and use it with confidence. - Manufactured by PE and tin materials, heat shrinkconnectors aremore sturdy to use, have a long service life.