<p>Safely and Efficiently: Flame retardant shell provides safety and insulation when wiring, pre-twisting wire is not required. Safely connect wires without soldering or electrical tape, no tools needed. The cone-shaped spring pulls the wires into the connector and screws into place, the spring-loaded insert ensures a stable connection when working on wiring projects.</p> <p> </p> <p>Five Color Coded: Includes an assortment of five color connectors in gray, blue, orange, yellow and red, assorted sizes for most electrical wiring projects and applications, a great addition to your electrical connector kit!</p> <p> </p> <p>Applications: The twist-on electrical connectors are perfect for home theater, speaker wire, stereo wiring, automotive, marine wiring projects, household wiring projects, commercial or residential applications, etc.</p> <p> </p> <p>Easy to Store: Our assortment of twist-on wire connectors are packed in a divided storage box to keep different wire connectors separately. Suitable for storage and use.</p> <p> </p> <p>Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be some color differences, please refer to the actual item received.</p>