lever wire connectors assortment pack can meet your different demand because it has 3 different models (2 port, 3 port, 5 port). it can connect any combination of solid, stranded, and flexible copper wires. Wires not come loose when plug the wire in the connector. lever wire connectors has a strong pulling force. Made of the best high quality insulating material, lever wire connectors housing has some advantages of resistance, high-temperature resistance and aging resistance.These lever wire connectors are than traditional wire nuts or traditional methods for connecting wires. lever wire connectors adopt special and scientific design, which save space effectively. There is a test hole at the back of the lever wire connectors and the hole are designed to check whether the wires have electricity or not. All kinds of standard test probes can be used to check the lever wire connectors. What's more, lever wire connectors features a transparent and high quality cover, which can make you check the wire length, complete wire insertion through its transparent cover. It is convenient to confirm whether the wires plug the jack or not. Open the housing of wire to 0.35-0.47 inches. Push the orange lever to 90°and plug the wires. Plug the wires and the lever down. Material:plastic colour:orange Package Contents: 70 * 2 port Terminal 50 * 3 port Terminal 30 * 5 port Terminal Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.